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# Which of 31 or 91 is a composite number?

Updated: 4/28/2022

Wiki User

14y ago

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.

Wiki User

14y ago

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Q: Which of 31 or 91 is a composite number?
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91 is composite.

### What is a composite number 7 31 41 91?

The only composite number in this list is 91. The others are prime numbers.

### Is 91 a composite nunber?

91 is a Composite Number.

### 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.

### Which number is prime out of 91 51 31 21?

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.

### What is a composite number 91 29 139 13?

91 is a composite number. The factors of 91 are 7 and 13

### Is number 91 a composite or prime?

91 is a prime number.

### What is a composite number 13 37 91 101?

91 is composite. The others are prime number

91=13x7

91 is composite.

### Is 91 a prime a composite?

91 is a composite number because it has more than 2 factors

### Which one is composite number 91 or 139 or 13 or 29?

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.