Q: What are the prime factors of the number 172,460,656?

 A: 2, 10778791

Why are those the prime factors of the number 172,460,656?

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 172,460,656

172,460,656
Factor Arrows
286,230,328
Factor Arrows
243,115,164
Factor Arrows
221,557,582
Factor Arrows
210,778,791

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, 10778791

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 10,778,791 = 172,460,656

This can also be written as 24 x 10,778,7911 = 172,460,656

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


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