Q: What are the prime factors of the number 673,316,532?

 A: 2, 3, 7, 43, 62137

Why are those the prime factors of the number 673,316,532?

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 673,316,532

673,316,532
Factor Arrows
2336,658,266
Factor Arrows
2168,329,133
Factor Arrows
356,109,711
Factor Arrows
318,703,237
Factor Arrows
72,671,891
Factor Arrows
4362,137

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, 7, 43, 62137

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 7 x 43 x 62,137 = 673,316,532

This can also be written as 22 x 32 x 71 x 431 x 62,1371 = 673,316,532

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


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