91 is the only composite factor of 91.
7 and 13 are prime.
84 and 91 are composite numbers 67 and 73 are prime numbers
61 and 71 are prime numbers the rest are composite numbers
Of the numbers in your question, three are prime, and one is composite. The three prime numbers are 13, 37, and 101, and the composite number is 91. 91 is equal to 13 x 7.
67 is a prime number but 57 and 91 are both composite numbers
The only composite number in this list is 91. The others are 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.
both are composite numbers 51 is divisible by 1,3,17,51 and 91 by 1,7,13,91
91 is composite: 13 * 7 = 91.composite 7 x 13 = 91
91 is a prime number.
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.
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.