Q: What are the prime factors of the number 207,406,725?

 A: 3, 5, 223, 12401

Why are those the prime factors of the number 207,406,725?

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 207,406,725

207,406,725
Factor Arrows
369,135,575
Factor Arrows
513,827,115
Factor Arrows
52,765,423
Factor Arrows
22312,401

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, 223, 12401

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 223 x 12,401 = 207,406,725

This can also be written as 31 x 52 x 2231 x 12,4011 = 207,406,725

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


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