Best Answer

91 x 1 = 91. 13 x 7 = 91. Prime numbers are only divisible by themselves & 1. False 91 is not a Prime number.

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Q: 91 is a prime number true or false?

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91 is not a prime number. 91 is a composite number having the factors 1, 7, 13, and 91.

91 cannot be in the prime factorization of any number because it is not a prime number itself.

The HCF of 21, 84 and 91 is.... 1 ! The number 91 is a prime number.

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.

Two is the only even prime number. When you add an odd number to another odd number, you get an even number. When you add an even number to an odd number, you get an odd number. 91 is an odd number, therefore the answer is 2 and 89.

Related questions

The second prime number after 91 is 101.

97 is the next prime number after 91.

91 is not a prime number. 91 is a composite number having the factors 1, 7, 13, and 91.

91 cannot be in the prime factorization of any number because it is not a prime number itself.

91 is a multiple of 7. 41 is a prime number.

91 is a composite number. The factors of 91 are 7 and 13.139 is a prime number13 is a prime number29 is a prime number.

false..

No 91=13*7

91 is composite.

91

91 / 7 = 13. So No

91

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