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The only positive integer factors of 31 are 1 and itself, therefore, it is prime.
A Prime number is defined as a number with only factors of 1 and itself. With this definition, 31 is a prime number because the only factors of 31 are 1 and 31.
31 is a Prime Number.
31 is a prime number because it has only two factors which are itself and one.
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Earn +20 ptsQ: Is 31 composite or prime
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31 prime or composite?
31 is PRIME.
Is 4 and 31 prime or composite?
4 is composite, 31 is prime.
Is these prime or composite or neither 15 21 31 26 61?
31 and 61 are prime, the rest composite.
What are the prime and composite numbers out of 47 31 92 63 57 and135?
31 and 47 are prime, the rest composite.
Is 31 prime composite or neither?
31 is a prime number because it has only two factors which are itself and one
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