Q: What are the prime factors of the number 56,172,352?

 A: 2, 17, 3037

Why are those the prime factors of the number 56,172,352?

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 56,172,352

56,172,352
Factor Arrows
228,086,176
Factor Arrows
214,043,088
Factor Arrows
27,021,544
Factor Arrows
23,510,772
Factor Arrows
21,755,386
Factor Arrows
2877,693
Factor Arrows
1751,629
Factor Arrows
173,037

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, 17, 3037

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 17 x 17 x 3,037 = 56,172,352

This can also be written as 26 x 172 x 3,0371 = 56,172,352

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


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