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The number 86 is not a composite number because it cannot be divided evenly by any other number except for 1 and itself. A composite number is defined as a positive integer greater than 1 that has at least one divisor other than 1 and itself.

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Because it has factors of 1,2,43 and 86.

Prime numbers can only have 2 factors: 1 and itself.

It is composite because it isn't prime.

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Q: Why is 86 composite?

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The number 86 is composite.

86 is not a prime number, so is a composite.

it is a composite. The factors are 1, 2, 43, 86.

86 is composite, because it has factors other than 1 and itself. The factors of 86 are 1, 2, 43, and 86. All even numbers greater than 2 are composite.

86 is composite because it has more factors besides 1 and itself.

86 is a Composite Number.

Yes.

Yes.

They are members of the infinite set of numbers of the form 86*k where k is an integer. Since the set is infinite, it is not possible to list them.

Yes. 86 is divisible by 2 and 43.

47 is prime, the rest are composite.

86 = 2 x 43