Q: What are the prime factors of the number 112,331,200?

 A: 2, 5, 70207

Why are those the prime factors of the number 112,331,200?

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 112,331,200

112,331,200
Factor Arrows
256,165,600
Factor Arrows
228,082,800
Factor Arrows
214,041,400
Factor Arrows
27,020,700
Factor Arrows
23,510,350
Factor Arrows
21,755,175
Factor Arrows
5351,035
Factor Arrows
570,207

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, 5, 70207

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 5 x 5 x 70,207 = 112,331,200

This can also be written as 26 x 52 x 70,2071 = 112,331,200

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


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