Q: What are the prime factors of the number 725,352,082?

 A: 2, 7, 13, 3985451

Why are those the prime factors of the number 725,352,082?

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 725,352,082

725,352,082
Factor Arrows
2362,676,041
Factor Arrows
751,810,863
Factor Arrows
133,985,451

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, 7, 13, 3985451

We can check our work by multiplying all of the prime factors together: 2 x 7 x 13 x 3,985,451 = 725,352,082

This can also be written as 21 x 71 x 131 x 3,985,4511 = 725,352,082

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


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