291 is not prime. It is at least divisible by 3 and 97. This makes it not prime since all prime numbers must only be divisible by 1 and itself.
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No 291 is not a prime number
291 has two prime factors: 3 and 97.
composite because it has more than two factors
30% of 291= 30% * 291= 0.3 * 291= 87.3
Composite, because it's divisible by 3.291 is a composite number because it has more than two factors