Q: What are the prime factors of the number 112,323,105?

 A: 3, 5, 193, 479

Why are those the prime factors of the number 112,323,105?

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 112,323,105

112,323,105
Factor Arrows
337,441,035
Factor Arrows
312,480,345
Factor Arrows
34,160,115
Factor Arrows
31,386,705
Factor Arrows
3462,235
Factor Arrows
592,447
Factor Arrows
193479

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, 193, 479

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 5 x 193 x 479 = 112,323,105

This can also be written as 35 x 51 x 1931 x 4791 = 112,323,105

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


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