Q: Is 98 a prime numder

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No.

No. It is divisible by 7. 7*7 = 49

17 is a prime number because it has only two factors which are itself and one.

3 x 3 x 7 = 63

Factors of prime numbers are only 1 and itself. Nothing else.The factors of 98 are 1, 2, 7, 14, 49, and 98. So, it is not prime.

Related questions

No

No.

31, 37

No. It is divisible by 7. 7*7 = 49

A prime number is a number that can not be divisible by any other number besides one.

17 is a prime number because it has only two factors which are itself and one.

3 x 3 x 7 = 63

81 is a composite number because its factors are more than 2

98 is NOT a prime number. Prime factorization of 98: 2 x 7 x 7

The prime factors of 98 are: 2 7

25 and 98 are not prime numbers

The prime numbers (factors) of 98 are: 2 and 7