Q: What are the prime factors of the number 100,442,625?

 A: 3, 5, 43, 6229

Why are those the prime factors of the number 100,442,625?

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 100,442,625

100,442,625
Factor Arrows
333,480,875
Factor Arrows
56,696,175
Factor Arrows
51,339,235
Factor Arrows
5267,847
Factor Arrows
436,229

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, 43, 6229

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 5 x 43 x 6,229 = 100,442,625

This can also be written as 31 x 53 x 431 x 6,2291 = 100,442,625

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


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