Q: What are the prime factors of the number 125,204,368?

 A: 2, 29, 151, 1787

Why are those the prime factors of the number 125,204,368?

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 125,204,368

125,204,368
Factor Arrows
262,602,184
Factor Arrows
231,301,092
Factor Arrows
215,650,546
Factor Arrows
27,825,273
Factor Arrows
29269,837
Factor Arrows
1511,787

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, 29, 151, 1787

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 29 x 151 x 1,787 = 125,204,368

This can also be written as 24 x 291 x 1511 x 1,7871 = 125,204,368

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


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