Q: What are the prime factors of the number 66,225,107?

 A: 13, 163, 31253

Why are those the prime factors of the number 66,225,107?

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 66,225,107

66,225,107
Factor Arrows
135,094,239
Factor Arrows
16331,253

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:

13, 163, 31253

We can check our work by multiplying all of the prime factors together: 13 x 163 x 31,253 = 66,225,107

This can also be written as 131 x 1631 x 31,2531 = 66,225,107

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


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