Q: What are the prime factors of the number 307,255,676?

 A: 2, 7, 13, 120587

Why are those the prime factors of the number 307,255,676?

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 307,255,676

307,255,676
Factor Arrows
2153,627,838
Factor Arrows
276,813,919
Factor Arrows
710,973,417
Factor Arrows
71,567,631
Factor Arrows
13120,587

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, 7, 13, 120587

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 7 x 13 x 120,587 = 307,255,676

This can also be written as 22 x 72 x 131 x 120,5871 = 307,255,676

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


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