Prime numbers | Sieve of Eratosthenes | Easy method to learn prime numbers | Grade 5 prime numbers

In this video you will learn Prime numbers using the Sieve of Eratosthenes .. it is the Easiest method to learn prime numbers in Grade 5.. for this method, you just need to learn tables till 7..
Circling the prime numbers, we cancel out their multiples in this table and as we do this till 7, we get all prime numbers circled and all other numbers that are composite numbers are cancelled.

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