Divisibility rules||🤔 divisible by 2,3 & 4|| #mathtrick

Divisibility rules||🤔 divisible by 2,3 & 4|| #mathtrick
#divisible by 2
#divisible by 3
#divisible by 4
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[matiaspereira]

The divisibility rules of all numbers from 1 to 100

1: Any number is a multiple of 1

2: The number ends in 0, 2, 4, 6 or 8

3: The sum of the digits is a multiple of 3

4: The last 2 digits are a multiple of 4; the 10s digit is even and the last digit is 0, 4 or 8, or the 10s digit is odd and the last digit is 2 or 6

5: The number ends in 0 or 5

6: The number is a multiple of 2 and 3 at the same time

7: The difference between twice the last digit and the rest of the number is 0 or a multiple of 7

8: The last 3 digits are a multiple of 8; the 100s digit is even and the last 2 digits are 00 or a multiple of 8, or the 100s digit is odd and the last 2 digits are the result of multiplying 4 by an odd number

9: The sum of the digits is a multiple of 9

10: The number ends in 0

11: The difference between the last digit and the rest of the number is 0 or a multiple of 11

12: The number is a multiple of 3 and 4 at the same time

13: The sum of 4 times the last digit and the rest of the number is a multiple of 13

14: The number is a multiple of 2 and 7 at the same time

15: The number is a multiple of 3 and 5 at the same time

16: The last 4 digits are a multiple of 16; the 1, 000s digit is even and the last 3 digits are 000 or a multiple of 16, or the 1, 000s digit is odd and the last 3 digits are the result of multiplying 8 by an odd number

17: The difference between 5 times the last digit and the rest of the number is 0 or a multiple of 17

18: The number is a multiple of 2 and 9 at the same time

19: The sum of twice the last digit and the rest of the number is a multiple of 19

20: The number ends in 00, 20, 40, 60 or 80

21: The number is a multiple of 3 and 7 at the same time

22: The number is a multiple of 2 and 11 at the same time

23: The sum of 7 times the last digit and the rest of the number is a multiple of 23

24: The number is a multiple of 3 and 8 at the same time

25: The number ends in 00, 25, 50 or 75

26: The number is a multiple of 2 and 13 at the same time

27: The difference between 8 times the last digit and the rest of the number is 0 or a multiple of 27

28: The number is a multiple of 4 and 7 at the same time

29: The sum of thrice the last digit and the rest of the number is a multiple of 29

30: The number is a multiple of 3 and 10 at the same time

31: The difference between thrice the last digit and the rest of the number is 0 or a multiple of 31

32: The last 5 digits are a multiple of 32; the 10, 000s digit is even and the last 4 digits are 0, 000 or a multiple of 32, or the 10, 000s digit is odd and the last 4 digits are the result of multiplying 16 by an odd number

33: The number is a multiple of 3 and 11 at the same time

34: The number is a multiple of 2 and 17 at the same time

35: The number is a multiple of 5 and 7 at the same time

36: The number is a multiple of 4 and 9 at the same time

37: The difference between 11 times the last digit and the rest of the number is 0 or a multiple of 37

38: The number is a multiple of 2 and 19 at the same time

39: The number is a multiple of 3 and 13 at the same time

40: The last 3 digits are a multiple of 40; the 100s digit is even and the last 2 digits are 00, 40 or 80, or the 100s digit is odd and the last 2 digits are 20 or 60

41: The difference between 4 times the last digit and the rest of the number is 0 or a multiple of 41

42: The number is a multiple of 2, 3 and 7 at the same time

43: The sum of 13 times the last digit and the rest of the number is a multiple of 43

44: The number is a multiple of 4 and 11 at the same time

45: The number is a multiple of 5 and 9 at the same time

46: The number is a multiple of 2 and 23 at the same time

47: The difference between 14 times the last digit and the rest of the number is 0 or a multiple of 47

48: The number is a multiple of 3 and 16 at the same time

49: The sum of 5 times the last digit and the rest of the number is a multiple of 49

50: The number ends in 00 or 50

51: The number is a multiple of 3 and 17 at the same time

52: The number is a multiple of 4 and 13 at the same time

53: The sum of 16 times the last digit and the rest of the number is a multiple of 53

54: The number is a multiple of 2 and 27 at the same time

55: The number is a multiple of 5 and 11 at the same time

56: The number is a multiple of 7 and 8 at the same time

57: The number is a multiple of 3 and 19 at the same time

58: The number is a multiple of 2 and 29 at the same time

59: The sum of 6 times the last digit and the rest of the number is a multiple of 59

60: The number is a multiple of 3 and 20 at the same time

61: The difference between 6 times the last digit and the rest of the number is 0 or a multiple of 61

62: The number is a multiple of 2 and 31 at the same time

63: The number is a multiple of 7 and 9 at the same time

64: The last 6 digits are a multiple of 64; the 100, 000s digit is even and the last 5 digits are 00, 000 or a multiple of 64, or the 100, 000s digit is odd and the last 5 digits are the result of multiplying 32 by an odd number

65: The number is a multiple of 5 and 13 at the same time

66: The number is a multiple of 2, 3 and 11 at the same time

67: The difference between 20 times the last digit and the rest of the number is 0 or a multiple of 67

68: The number is a multiple of 4 and 17 at the same time

69: The number is a multiple of 3 and 23 at the same time

70: The number is a multiple of 7 and 10 at the same time

71: The difference between 7 times the last digit and the rest of the number is 0 or a multiple of 71

72: The number is a multiple of 8 and 9 at the same time

73: The sum of 22 times the last digit and the rest of the number is a multiple of 73

74: The number is a multiple of 2 and 37 at the same time

75: The number is a multiple of 3 and 25 at the same time

76: The number is a multiple of 4 and 19 at the same time

77: The number is a multiple of 7 and 11 at the same time

78: The number is a multiple of 2, 3 and 13 at the same time

79: The sum of 8 times the last digit and the rest of the number is a multiple of 79

80: The last 4 digits are a multiple of 80; the 1, 000s digit is even and the last 3 digits are 000 or a multiple of 80, or the 1, 000s digit is odd and the last 3 digits are the result of multiplying 40 by an odd number

81: The difference between 8 times the last digit and the rest of the number is a multiple of 81

82: The number is a multiple of 2 and 41 at the same time

83: The sum of 25 times the last digit and the rest of the number is a multiple of 83

84: The number is a multiple of 3, 4 and 7 at the same time

85: The number is a multiple of 5 and 17 at the same time

86: The number is a multiple of 2 and 43 at the same time

87: The number is a multiple of 3 and 29 at the same time

88: The number is a multiple of 8 and 11 at the same time

89: The sum of 9 times the last digit and the rest of the number is a multiple of 89

90: The number is a multiple of 9 and 10 at the same time

91: The number is a multiple of 7 and 13 at the same time

92: The number is a multiple of 4 and 23 at the same time

93: The number is a multiple of 3 and 31 at the same time

94: The number is a multiple of 2 and 47 at the same time

95: The number is a multiple of 5 and 19 at the same time

96: The number is a multiple of 3 and 32 at the same time

97: The difference between 29 times the last digit and the rest of the number is 0 or a multiple of 97

98: The number is a multiple of 2 and 49 at the same time

99: The number is a multiple of 9 and 11 at the same time

100: The number ends in 00