Q: What are the prime factors of the number 307,406,475?

 A: 3, 5, 269, 1693

Why are those the prime factors of the number 307,406,475?

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 307,406,475

307,406,475
Factor Arrows
3102,468,825
Factor Arrows
334,156,275
Factor Arrows
311,385,425
Factor Arrows
52,277,085
Factor Arrows
5455,417
Factor Arrows
2691,693

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, 269, 1693

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 5 x 269 x 1,693 = 307,406,475

This can also be written as 33 x 52 x 2691 x 1,6931 = 307,406,475

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


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