Q: What are the prime factors of the number 20,907,696?

 A: 2, 3, 435577

Why are those the prime factors of the number 20,907,696?

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 20,907,696

20,907,696
Factor Arrows
210,453,848
Factor Arrows
25,226,924
Factor Arrows
22,613,462
Factor Arrows
21,306,731
Factor Arrows
3435,577

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, 435577

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 435,577 = 20,907,696

This can also be written as 24 x 31 x 435,5771 = 20,907,696

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


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