Q: What are the prime factors of the number 526,136,625?

 A: 3, 5, 7, 71, 941

Why are those the prime factors of the number 526,136,625?

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 526,136,625

526,136,625
Factor Arrows
3175,378,875
Factor Arrows
358,459,625
Factor Arrows
511,691,925
Factor Arrows
52,338,385
Factor Arrows
5467,677
Factor Arrows
766,811
Factor Arrows
71941

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, 5, 7, 71, 941

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 5 x 5 x 7 x 71 x 941 = 526,136,625

This can also be written as 32 x 53 x 71 x 711 x 9411 = 526,136,625

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


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