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Subjects>Math>Basic Math

Is 15 prime or composite

Updated: 4/28/2022

Wiki User

∙ 7y ago

Best Answer

15 is a composite number because it has more than two factors. Its factors are 1, 3, 5, and 15.
15 is a composite number as it is divisible by 1, 3, 5 and 15.
composite. 3*5=15
15 is a composite number because it has more than 2 factors

Wiki User

∙ 7y ago

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Wiki User

∙ 7y ago

15 is not prime. 15 = 3 * 5, so 15 is composite.

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Wiki User

∙ 14y ago

Only positive integers (whole numbers, counting numbers) are prime or composite.

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Wiki User

∙ 11y ago

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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Wiki User

∙ 7y ago

Neither.

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Anonymous ∙

Lvl 1

∙ 4y ago

Composite

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Anonymous ∙

Lvl 1

∙ 4y ago

Prime

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Anonymous ∙

Lvl 1

∙ 4y ago

Prime

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Anonymous ∙

Lvl 1

∙ 4y ago

prime

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Continue Learning about Basic Math

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.

Related questions

What is 15 a prime number or composite?

15 is composite.

Is 2 and 15 prime or composite?

2 is a prime number and 15 is a composite number.

Is 15 47 60 prime or composite number?

47 is a prime, the other two are composite.

Is 15 prime composite or neither?

composite

Is 15 prime or composite nunber?

Composite.

Are 3 and 15 prime?

3 is prime 15 is composite

Can you solve 15 if it is composite or prime?

prime

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.

When you divide 84 by 15 the answer is prime or composite?

84/15=5.6 5.6 is not an integer, so it can't be prime or composite.

Is 15 a prime or composite number?

composite because 3 and 5 will go into it

Is 15 prime or compostie?

Composite

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