Q: What are the prime factors of the number 126,512,225?

 A: 5, 7, 59, 12253

Why are those the prime factors of the number 126,512,225?

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 126,512,225

126,512,225
Factor Arrows
525,302,445
Factor Arrows
55,060,489
Factor Arrows
7722,927
Factor Arrows
5912,253

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:

5, 7, 59, 12253

We can check our work by multiplying all of the prime factors together: 5 x 5 x 7 x 59 x 12,253 = 126,512,225

This can also be written as 52 x 71 x 591 x 12,2531 = 126,512,225

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


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