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Earn +20 ptsQ: Why is 51 and 91 composite?
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Is a 51 is a composite number or prime number?
51 is composite.
Is 51 and 61 prime or composite?
51 composite, 61 prime.
Which is a composite number 37 47 51 61?
51 is composite.
What are the prime and composite numbers of 91?
91 is the only composite factor of 91. 7 and 13 are prime.
Why would 51 and 91 be mistaken for prime numbers?
A person unfamiliar with prime numbers could mistake 51, 91, or any other composite number for a prime number if the person did not factor the number to make sure it had no other factors then 1 and itself.
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