Q: What are the prime factors of the number 118,420,656?

 A: 2, 3, 53, 46549

Why are those the prime factors of the number 118,420,656?

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 118,420,656

118,420,656
Factor Arrows
259,210,328
Factor Arrows
229,605,164
Factor Arrows
214,802,582
Factor Arrows
27,401,291
Factor Arrows
32,467,097
Factor Arrows
5346,549

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, 53, 46549

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 53 x 46,549 = 118,420,656

This can also be written as 24 x 31 x 531 x 46,5491 = 118,420,656

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


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