Q: What are the prime factors of the number 11,238,525?

 A: 3, 5, 199, 251

Why are those the prime factors of the number 11,238,525?

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 11,238,525

11,238,525
Factor Arrows
33,746,175
Factor Arrows
31,248,725
Factor Arrows
5249,745
Factor Arrows
549,949
Factor Arrows
199251

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, 199, 251

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 5 x 199 x 251 = 11,238,525

This can also be written as 32 x 52 x 1991 x 2511 = 11,238,525

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


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