Q: What are the prime factors of the number 501,115,056?

 A: 2, 3, 13, 373, 2153

Why are those the prime factors of the number 501,115,056?

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 501,115,056

501,115,056
Factor Arrows
2250,557,528
Factor Arrows
2125,278,764
Factor Arrows
262,639,382
Factor Arrows
231,319,691
Factor Arrows
310,439,897
Factor Arrows
13803,069
Factor Arrows
3732,153

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, 13, 373, 2153

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 13 x 373 x 2,153 = 501,115,056

This can also be written as 24 x 31 x 131 x 3731 x 2,1531 = 501,115,056

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


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