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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. 15 is composite.
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Is 15 prime?
no it is composite
Which is a composite number 15 or 11?
15 is a composite number. 11 is a prime number.
Is 15 a prime or composite number?
composite because 3 and 5 will go into it
Is 15 a prime composite or neither?
A composite number is a number that has smaller factors (excluding 1). A prime number is one that doesn't (1 is not considered prime nor composite, because of its special role in multiplication).Since 15 is divisible by 3, it is composite.
Is these prime or composite or neither 15 21 31 26 61?
31 and 61 are prime, the rest composite.
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