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31 is a Prime number because its only factors are 1 and itself.
91 has factors other than 1 and itself, so it is not a prime number. Its factors are 1, 7, 13, and 91. Therefore, it is a composite number.
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Is 91 prime or composite?
91 is a composite number. This is because composite numbers are any number that has another factor besides one and itself. Therefore, since 7 and 13 are factors of 91 that makes it a composite number.
Is 91 a prime number under 100?
91 is not a prime number. 91 is a composite number having the factors 1, 7, 13, and 91.
Are 57 and 91 prime numbers?
Only 91 is the prime number, 57 is a composite number because it is divisible by 3. ------------------------------- 57 and 91 are both composite. 57 = 19*3, and 91 = 13*7.
Is these prime or composite or neither 15 21 31 26 61?
31 and 61 are prime, the rest composite.
Is 341 a prime or composite number?
341 is a composite number. Its factors are 1, 11, 31, and 341.
