Q: What is the total number of prime factors of the number 991?

 A: 1

Why are there 1 total prime factors of the number 991?

First, you must factor the number. Then, you must identify the prime numbers. Finally, you then count the number of prime factors.

In the case of the number 991, the prime factors are: 991 or also written as { 991 }

If you would like to know more, or need additional explanation, please review our prime factorization explanation.

More Examples

Number 989990992993
# of Prime Factors 2562

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