Q: What are the prime factors of the number 20,416,522?

 A: 2, 7, 29, 50287

Why are those the prime factors of the number 20,416,522?

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 20,416,522

20,416,522
Factor Arrows
210,208,261
Factor Arrows
71,458,323
Factor Arrows
2950,287

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, 7, 29, 50287

We can check our work by multiplying all of the prime factors together: 2 x 7 x 29 x 50,287 = 20,416,522

This can also be written as 21 x 71 x 291 x 50,2871 = 20,416,522

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


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