143 is a composite number because it has more factors than 1 and itself. The factors of 143 are 1, 11, 13, and 143.
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143 is not prime. 143 = 11 * 13
143 is a composite number because it has more than two factors
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.
It is a composite number.