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31 is a Prime number because it is only divisible by 1 and itself.
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Earn +20 ptsQ: Is 31 a composite or a prime number?
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Is 31 prime or composite number?
31 is prime.
Is 31 a prime or composite number or neither?
31 is prime.
Is 961 a prime number or a composite number?
961 is not prime. 961 = 31 * 31
Is 21 and 31 a prime number?
21 is composite number that is a multiple of 3. 31 is a prime number.
Which number is not a composite number 13-63-61 or 31?
13 prime 63 composite 61 prime 31 prime Well the question should have been either, Which one of these numbers is not a composite number? Or, Which one of these numbers is not a prime number?
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