Q: What are the prime factors of the number 100,466,415?

 A: 3, 5, 7, 23, 283

Why are those the prime factors of the number 100,466,415?

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 100,466,415

100,466,415
Factor Arrows
333,488,805
Factor Arrows
311,162,935
Factor Arrows
52,232,587
Factor Arrows
7318,941
Factor Arrows
745,563
Factor Arrows
76,509
Factor Arrows
23283

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, 23, 283

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 7 x 7 x 7 x 23 x 283 = 100,466,415

This can also be written as 32 x 51 x 73 x 231 x 2831 = 100,466,415

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


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