Q: What are the prime factors of the number 22,300,640?

 A: 2, 5, 37, 3767

Why are those the prime factors of the number 22,300,640?

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 22,300,640

22,300,640
Factor Arrows
211,150,320
Factor Arrows
25,575,160
Factor Arrows
22,787,580
Factor Arrows
21,393,790
Factor Arrows
2696,895
Factor Arrows
5139,379
Factor Arrows
373,767

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, 37, 3767

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 37 x 3,767 = 22,300,640

This can also be written as 25 x 51 x 371 x 3,7671 = 22,300,640

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


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