Q: What are the prime factors of the number 989,277?

 A: 3, 29, 83, 137

Why are those the prime factors of the number 989,277?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 989,277

989,277
Factor Arrows
3329,759
Factor Arrows
2911,371
Factor Arrows
83137

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

3, 29, 83, 137

We can check our work by multiplying all of the prime factors together: 3 x 29 x 83 x 137 = 989,277

This can also be written as 31 x 291 x 831 x 1371 = 989,277

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


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