Numbers 2, 3, 5, 7,…. are called prime numbers. Prime numbers are natural numbers greater than 1 and cannot be obtained by multiplying two smaller natural numbers. Prime numbers are important in number theory as they are the building blocks of natural numbers. Students often find it difficult to remember prime numbers after a certain range. The trick provided in the video will help them to remember the primes up to a certain range, beyond which the complexity increases.
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