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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

Yes, 143 = 11 x 13.

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

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.

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.

143 is composite.

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

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