Q: What are the prime factors of the number 307,786,716?

 A: 2, 3, 59, 1789

Why are those the prime factors of the number 307,786,716?

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 307,786,716

307,786,716
Factor Arrows
2153,893,358
Factor Arrows
276,946,679
Factor Arrows
325,648,893
Factor Arrows
38,549,631
Factor Arrows
32,849,877
Factor Arrows
3949,959
Factor Arrows
3316,653
Factor Arrows
3105,551
Factor Arrows
591,789

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, 59, 1789

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 3 x 3 x 59 x 1,789 = 307,786,716

This can also be written as 22 x 36 x 591 x 1,7891 = 307,786,716

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


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