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Only 91 is the Prime number, 57 is a composite number because it is divisible by 3.
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57 and 91 are both composite. 57 = 19*3, and 91 = 13*7.
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Earn +20 ptsQ: Are 57 and 91 prime numbers?
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Is 27 and 57 a pair of prime numbers?
No, neither 27 nor 57 are prime numbers.
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91 is a prime number true or false?
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