Q: What are the prime factors of the number 732,316,672?

 A: 2, 715153

Why are those the prime factors of the number 732,316,672?

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 732,316,672

732,316,672
Factor Arrows
2366,158,336
Factor Arrows
2183,079,168
Factor Arrows
291,539,584
Factor Arrows
245,769,792
Factor Arrows
222,884,896
Factor Arrows
211,442,448
Factor Arrows
25,721,224
Factor Arrows
22,860,612
Factor Arrows
21,430,306
Factor Arrows
2715,153

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, 715153

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 2 x 2 x 2 x 2 x 715,153 = 732,316,672

This can also be written as 210 x 715,1531 = 732,316,672

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


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