Q: What are the prime factors of the number 22,174,668?

 A: 2, 3, 23, 79, 113

Why are those the prime factors of the number 22,174,668?

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 22,174,668

22,174,668
Factor Arrows
211,087,334
Factor Arrows
25,543,667
Factor Arrows
31,847,889
Factor Arrows
3615,963
Factor Arrows
3205,321
Factor Arrows
238,927
Factor Arrows
79113

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, 23, 79, 113

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 23 x 79 x 113 = 22,174,668

This can also be written as 22 x 33 x 231 x 791 x 1131 = 22,174,668

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


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