Q: What are the prime factors of the number 107,187,145?

 A: 5, 13, 373, 4421

Why are those the prime factors of the number 107,187,145?

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 107,187,145

107,187,145
Factor Arrows
521,437,429
Factor Arrows
131,649,033
Factor Arrows
3734,421

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, 13, 373, 4421

We can check our work by multiplying all of the prime factors together: 5 x 13 x 373 x 4,421 = 107,187,145

This can also be written as 51 x 131 x 3731 x 4,4211 = 107,187,145

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


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