Q: What are the prime factors of the number 22,478,902?

 A: 2, 67, 227, 739

Why are those the prime factors of the number 22,478,902?

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 22,478,902

22,478,902
Factor Arrows
211,239,451
Factor Arrows
67167,753
Factor Arrows
227739

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, 67, 227, 739

We can check our work by multiplying all of the prime factors together: 2 x 67 x 227 x 739 = 22,478,902

This can also be written as 21 x 671 x 2271 x 7391 = 22,478,902

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


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