Q: What are the prime factors of the number 725,245,461?

 A: 3, 181, 148403

Why are those the prime factors of the number 725,245,461?

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 725,245,461

725,245,461
Factor Arrows
3241,748,487
Factor Arrows
380,582,829
Factor Arrows
326,860,943
Factor Arrows
181148,403

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, 181, 148403

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 181 x 148,403 = 725,245,461

This can also be written as 33 x 1811 x 148,4031 = 725,245,461

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


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