Q: What are the prime factors of the number 103,425,525?

 A: 3, 5, 7, 53, 59

Why are those the prime factors of the number 103,425,525?

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 103,425,525

103,425,525
Factor Arrows
334,475,175
Factor Arrows
311,491,725
Factor Arrows
33,830,575
Factor Arrows
5766,115
Factor Arrows
5153,223
Factor Arrows
721,889
Factor Arrows
73,127
Factor Arrows
5359

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:

3, 5, 7, 53, 59

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 5 x 7 x 7 x 53 x 59 = 103,425,525

This can also be written as 33 x 52 x 72 x 531 x 591 = 103,425,525

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


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