Q: What are the prime factors of the number 312,651,117?

 A: 3, 29, 41, 9739

Why are those the prime factors of the number 312,651,117?

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 312,651,117

312,651,117
Factor Arrows
3104,217,039
Factor Arrows
334,739,013
Factor Arrows
311,579,671
Factor Arrows
29399,299
Factor Arrows
419,739

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, 29, 41, 9739

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 29 x 41 x 9,739 = 312,651,117

This can also be written as 33 x 291 x 411 x 9,7391 = 312,651,117

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


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