Q: What are the prime factors of the number 581,041,725?

 A: 3, 5, 11, 17, 2437

Why are those the prime factors of the number 581,041,725?

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 581,041,725

581,041,725
Factor Arrows
3193,680,575
Factor Arrows
538,736,115
Factor Arrows
57,747,223
Factor Arrows
11704,293
Factor Arrows
1741,429
Factor Arrows
172,437

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, 11, 17, 2437

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 11 x 17 x 17 x 2,437 = 581,041,725

This can also be written as 31 x 52 x 111 x 172 x 2,4371 = 581,041,725

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


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