If you can add the integers and they add up to a number divisible by 3, then the number is divisible by 3.
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composite because it has more than two factors
Composite, because it's divisible by 3.291 is a composite number because it has more than two factors
ANSWER: 582 is a composite number.Factors of 582 other 1 and itself: 2, 3, 6, 97, 194, 291
No 291 is not a prime number
It is 291 + 11 = 302.