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Earn +20 ptsQ: Is 621 a prime number or a composite number?
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Is 621 a prime number?
It is composite. It is divisible by 3, 9, 23, 27, 69, and 207.
Is 17 prime or composite number?
It is prime
Is 86 a prime or composite number?
86 is not a prime number, so is a composite.
Is 168 a prime or a composite number?
No 168 is not a prime number it is a composite number
Is 2401 a prime or composite number?
composite
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