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Is these prime or composite or neither 15 21 31 26 61?
31 and 61 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
Is 31 a prime number?
Yes it is, The only divisors of 31 are 1 and 31 so it is prime.Yes.31 is prime, yes
Is 1891 a prime number or a composite number?
1891 is not prime. 1891 = 31 * 61
Is 155 a prime number?
155 is not a prime number, but a composite number, as it is divisible by 5 and 31.
Is 31 a prime or composite number or neither?
31 is prime.
Is 31 a composite or prime or neither?
31 is a prime number
Is these prime or composite or neither 15 21 31 26 61?
31 and 61 are prime, the rest composite.
Is 39 1 31 41 a composite number?
39 is a composite number 1 is neither prime nor composite number 31 and 41 are prime numbers.
Is 31 prime composite or neither?
31 is a prime number because it has only two factors which are itself and one
Is 31 and composite or prime?
31 is a prime number. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.
Is 31 is a composite or prime or neither?
It is a prime.
Is 155 a prime or composite number or neither?
155 is a composite number. Its factors are 1, 5, 31, and 155.
Is 31 a composite or a prime number?
31 is a prime number because it is only divisible by 1 and itself.
Is 31 a prime number?
Yes it is, The only divisors of 31 are 1 and 31 so it is prime.Yes.31 is prime, yes
Under the number 31 what is the only positive number that is neither prime nor composite?
1
Is 31a composite or prime number?
31 is a prime number. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.
