Q: What are the prime factors of the number 22,751,670?

 A: 2, 3, 5, 37, 103, 199

Why are those the prime factors of the number 22,751,670?

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 22,751,670

22,751,670
Factor Arrows
211,375,835
Factor Arrows
33,791,945
Factor Arrows
5758,389
Factor Arrows
3720,497
Factor Arrows
103199

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, 5, 37, 103, 199

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 37 x 103 x 199 = 22,751,670

This can also be written as 21 x 31 x 51 x 371 x 1031 x 1991 = 22,751,670

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


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