Q: What are the prime factors of the number 104,688,672?

 A: 2, 3, 11, 99137

Why are those the prime factors of the number 104,688,672?

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 104,688,672

104,688,672
Factor Arrows
252,344,336
Factor Arrows
226,172,168
Factor Arrows
213,086,084
Factor Arrows
26,543,042
Factor Arrows
23,271,521
Factor Arrows
31,090,507
Factor Arrows
1199,137

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:

2, 3, 11, 99137

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 11 x 99,137 = 104,688,672

This can also be written as 25 x 31 x 111 x 99,1371 = 104,688,672

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


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