Q: What are the prime factors of the number 53,165,056?

 A: 2, 7, 7417

Why are those the prime factors of the number 53,165,056?

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 53,165,056

53,165,056
Factor Arrows
226,582,528
Factor Arrows
213,291,264
Factor Arrows
26,645,632
Factor Arrows
23,322,816
Factor Arrows
21,661,408
Factor Arrows
2830,704
Factor Arrows
2415,352
Factor Arrows
2207,676
Factor Arrows
2103,838
Factor Arrows
251,919
Factor Arrows
77,417

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, 7417

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 7 x 7,417 = 53,165,056

This can also be written as 210 x 71 x 7,4171 = 53,165,056

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


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