The only composite number in this list is 91. The others are prime numbers.
91 is composite.
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.
No, 41, 51, 71, 81, and 91 are not prime numbers. A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers. In this case, all the numbers listed can be divided by numbers other than 1 and themselves, making them composite numbers.
91 is 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.
91 is a composite number. The factors of 91 are 7 and 13
21 is divisible by 3 and 7, so it is composite. 91 is divisible by 7 and 13, so it is composite. 51 is divisible by 3 and 17. 31 is divisible by only 1 and itself, so it is the prime number.
91 is a prime number.
91 is composite. The others are prime number
91=13x7
91 is a multiple of 7. 41 is a prime number.
91 is composite.