Q: What are the prime factors of the number 79,461?

 A: 3, 109

Why are those the prime factors of the number 79,461?

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 79,461

79,461
Factor Arrows
326,487
Factor Arrows
38,829
Factor Arrows
32,943
Factor Arrows
3981
Factor Arrows
3327
Factor Arrows
3109

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, 109

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 109 = 79,461

This can also be written as 36 x 1091 = 79,461

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


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