Q: What are the prime factors of the number 313,001,328?

 A: 2, 3, 257, 25373

Why are those the prime factors of the number 313,001,328?

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 313,001,328

313,001,328
Factor Arrows
2156,500,664
Factor Arrows
278,250,332
Factor Arrows
239,125,166
Factor Arrows
219,562,583
Factor Arrows
36,520,861
Factor Arrows
25725,373

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, 257, 25373

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 257 x 25,373 = 313,001,328

This can also be written as 24 x 31 x 2571 x 25,3731 = 313,001,328

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


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