Q: What are the prime factors of the number 125,353,056?

 A: 2, 3, 53, 71, 347

Why are those the prime factors of the number 125,353,056?

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 125,353,056

125,353,056
Factor Arrows
262,676,528
Factor Arrows
231,338,264
Factor Arrows
215,669,132
Factor Arrows
27,834,566
Factor Arrows
23,917,283
Factor Arrows
31,305,761
Factor Arrows
5324,637
Factor Arrows
71347

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, 53, 71, 347

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 53 x 71 x 347 = 125,353,056

This can also be written as 25 x 31 x 531 x 711 x 3471 = 125,353,056

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


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