Q: What are the prime factors of the number 79,290,528?

 A: 2, 3, 71, 11633

Why are those the prime factors of the number 79,290,528?

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 79,290,528

79,290,528
Factor Arrows
239,645,264
Factor Arrows
219,822,632
Factor Arrows
29,911,316
Factor Arrows
24,955,658
Factor Arrows
22,477,829
Factor Arrows
3825,943
Factor Arrows
7111,633

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:

2, 3, 71, 11633

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 71 x 11,633 = 79,290,528

This can also be written as 25 x 31 x 711 x 11,6331 = 79,290,528

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


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