Q: What are the prime factors of the number 462,267,072?

 A: 2, 3, 173, 4639

Why are those the prime factors of the number 462,267,072?

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 462,267,072

462,267,072
Factor Arrows
2231,133,536
Factor Arrows
2115,566,768
Factor Arrows
257,783,384
Factor Arrows
228,891,692
Factor Arrows
214,445,846
Factor Arrows
27,222,923
Factor Arrows
32,407,641
Factor Arrows
3802,547
Factor Arrows
1734,639

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, 173, 4639

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 173 x 4,639 = 462,267,072

This can also be written as 26 x 32 x 1731 x 4,6391 = 462,267,072

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


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