Q: What are the prime factors of the number 313,251,612?

 A: 2, 3, 109, 239489

Why are those the prime factors of the number 313,251,612?

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 313,251,612

313,251,612
Factor Arrows
2156,625,806
Factor Arrows
278,312,903
Factor Arrows
326,104,301
Factor Arrows
109239,489

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, 109, 239489

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 109 x 239,489 = 313,251,612

This can also be written as 22 x 31 x 1091 x 239,4891 = 313,251,612

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


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