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Q: Why is 143 a composite number?

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143 is divisible by 11.

143 is a composite number because it has more than two factors

143 is not prime. 143 = 11 * 13

143 is composite because it has more than 2 factors. Any number with exactly 2 factors (1 and the number itself) is prime. The factors of 143 are 1, 11, 13, and 143.

Composite. It is divisible by 11 and 13.

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143 is divisible by 11.

Composite.

143 is a composite number because it has more than two factors

The only composite factor of 143 is 143.

143 is not prime. 143 = 11 * 13

We know that 143 is a whole number and that it has to be either prime or composite because all whole numbers other than 0 and 1 are one or the other. So, in order to determine if it is prime or composite, we need to know if any numbers besides 1 and 143 are factors. 1, 11, 13, and 143 are factors so 143 is a composite number.

Yes, 143 = 11 x 13.

143 can be divided by11,which also makes it a composite number :)

143 is composite because it has more than 2 factors. Any number with exactly 2 factors (1 and the number itself) is prime. The factors of 143 are 1, 11, 13, and 143.

The only composite factor of 143 is 143.

1001 is a composite number.The factors of 1001 is 7 and 143.

143 is composite.

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