Q: What are the prime factors of the number 63,382,144?

 A: 2, 7, 127, 557

Why are those the prime factors of the number 63,382,144?

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 63,382,144

63,382,144
Factor Arrows
231,691,072
Factor Arrows
215,845,536
Factor Arrows
27,922,768
Factor Arrows
23,961,384
Factor Arrows
21,980,692
Factor Arrows
2990,346
Factor Arrows
2495,173
Factor Arrows
770,739
Factor Arrows
127557

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, 127, 557

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 7 x 127 x 557 = 63,382,144

This can also be written as 27 x 71 x 1271 x 5571 = 63,382,144

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


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