Q: What are the prime factors of the number 725,767,070?

 A: 2, 5, 7, 23, 450787

Why are those the prime factors of the number 725,767,070?

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 725,767,070

725,767,070
Factor Arrows
2362,883,535
Factor Arrows
572,576,707
Factor Arrows
710,368,101
Factor Arrows
23450,787

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, 5, 7, 23, 450787

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 23 x 450,787 = 725,767,070

This can also be written as 21 x 51 x 71 x 231 x 450,7871 = 725,767,070

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


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