Q: What are the prime factors of the number 22,626,540?

 A: 2, 3, 5, 13967

Why are those the prime factors of the number 22,626,540?

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 22,626,540

22,626,540
Factor Arrows
211,313,270
Factor Arrows
25,656,635
Factor Arrows
31,885,545
Factor Arrows
3628,515
Factor Arrows
3209,505
Factor Arrows
369,835
Factor Arrows
513,967

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, 13967

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 5 x 13,967 = 22,626,540

This can also be written as 22 x 34 x 51 x 13,9671 = 22,626,540

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


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