Q: What are the prime factors of the number 314,320,032?

 A: 2, 3, 13, 37, 2269

Why are those the prime factors of the number 314,320,032?

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 314,320,032

314,320,032
Factor Arrows
2157,160,016
Factor Arrows
278,580,008
Factor Arrows
239,290,004
Factor Arrows
219,645,002
Factor Arrows
29,822,501
Factor Arrows
33,274,167
Factor Arrows
31,091,389
Factor Arrows
1383,953
Factor Arrows
372,269

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, 3, 13, 37, 2269

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 13 x 37 x 2,269 = 314,320,032

This can also be written as 25 x 32 x 131 x 371 x 2,2691 = 314,320,032

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


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