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What are Prime Numbers?

Prime Numbers up to 100
Prime Numbers up to 100

In math, prime numbers are whole numbers greater than 1, that have only two factors – 1 and the number itself.

Prime numbers are divisible only by the number 1 or itself. 

For example, 2, 3, 5, 7 and 11 are the first few prime numbers.

Few Facts

– 1 is neither a prime number nor a composite number.
– The only even prime number is 2.
– No prime number greater than 5  ends in a 5.

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