Which of the following is true?
5 is a prime number because one and five are its only factors.
nineteen is a composite number because it is only divisible by one and itself.
twelve is a prime number because it is divisible by 4.
twenty-five is a composite number because fifty-two is a prime number.

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@ganeshie8

can you tell quick the things you know about prime numbers ?

ok umm

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