It has more than two factors.
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247 is a composite number because it has more than two factors
247 is not prime. 247 = 13 * 19
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. 247 is composite.
The two prime numbers 13*19=247
Any number multiplied by 247.