PRIME NUMBER PROGRAM IN PYTHON PROGRAMMING || PYTHON PROGRAMMING

PRIME NUMBER

Number which is divisible by 1 and itself is called Prime Number

if n is number
n should be divided from 2 to n-1
if any number is divisible by n between 2 to n-1 we can say it is not a prime otherwise it is prime

loop variable iterates from 2 to n-1
% operator is used to find the factor

EXAMPLE
n=5
we need to check
n%2 , n%3 , n%4 - if any one doesn't results 0 then it is a prime
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[turyachaitanya]

num = int(input("Enter a number\n"))
if num < 2:
print("Enter a number greater than 1")
elif num == 2:
print(" 2 is a prime number")
else:
for i in range(2, num):
if num%i ==0:
print(num, "is not a prime number")
break
else:
print(num, "is a prime number")

[nareddyaravindreddy]

Iam regularly following your lectures.. very clear

thank you :)

[mandar]

What about number 2, it is also prime numbr

[seasonz]

Sudeep sir, pls explain on number 2 which is as prime...as i tried the code you shared.

[marekmatusiak]

Hello
Would you be interested in doing the world's first implementation of the MMSieve prime generation method in Python?

[seasonz]

var=0
for var in range (1, 26): # input 25 times - regress testing
n=int(input('Enter an Integer: '))
flag=True
if (n==2):
print('Prime number')
elif n!=2:
for i in range (2, n):
if(n%i==0):
flag = False
print('Not prime number')
break
else:
print ('Prime number')

[sureshm]

Hi sir Iam good in python code but some difficult programs I can't understand, where can i get solutions for easy understanding please reply

[ajaykumar-uzqh]

hello sir. in this program the output for 1 is shows prime number. But 1 is not a prime.can you please clarify.

[konahari]

if i enter 1, then i am getting 1 is a prime number.but 1 is not a prime number

[JaswanthKumar-lxhf]

how to check nearest prime number of given number

[akshaypatil]

sir sochte kaise hai ki python code likha kaise please ispe video banaye...

[pankajsahu]

incomlete code: try to enter any prime number in this code and it willl run until n-1

[kopparthiharika]

How to print first 100 prime numbers sir

[shinysrivastava]

#wap to check if the number is prime or not

num=int(input("Enter a number to check if it is prime : "))
for i in range (2, num):
if n%i==0:
print (num, "is not prime")
break
else:
print ("It is prime")


this is still giving 11 as "not prime" why ??