As a product of its prime factors: 7*13 = 91
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91 is a composite number. The factors of 91 are 7 and 13
91 is composite. The others are prime number
91 is a composite number because it has more than 2 factors
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.
91 is a composite number because it has other factors aside from 1 and itself. The other factors of 91 are 7 and 13.