Q: What are the prime factors of the number 462,140,436?

 A: 2, 3, 31, 43, 167, 173

Why are those the prime factors of the number 462,140,436?

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 462,140,436

462,140,436
Factor Arrows
2231,070,218
Factor Arrows
2115,535,109
Factor Arrows
338,511,703
Factor Arrows
311,242,313
Factor Arrows
4328,891
Factor Arrows
167173

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, 31, 43, 167, 173

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 31 x 43 x 167 x 173 = 462,140,436

This can also be written as 22 x 31 x 311 x 431 x 1671 x 1731 = 462,140,436

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


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