Q: What are the prime factors of the number 478,878,232?

 A: 2, 7, 8551397

Why are those the prime factors of the number 478,878,232?

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 478,878,232

478,878,232
Factor Arrows
2239,439,116
Factor Arrows
2119,719,558
Factor Arrows
259,859,779
Factor Arrows
78,551,397

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, 7, 8551397

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 8,551,397 = 478,878,232

This can also be written as 23 x 71 x 8,551,3971 = 478,878,232

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


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