Q: What are the prime factors of the number 313,433,320?

 A: 2, 5, 571, 13723

Why are those the prime factors of the number 313,433,320?

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 313,433,320

313,433,320
Factor Arrows
2156,716,660
Factor Arrows
278,358,330
Factor Arrows
239,179,165
Factor Arrows
57,835,833
Factor Arrows
57113,723

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, 5, 571, 13723

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 571 x 13,723 = 313,433,320

This can also be written as 23 x 51 x 5711 x 13,7231 = 313,433,320

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


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