Q: What are the prime factors of the number 20,165,652?

 A: 2, 3, 13, 53, 271

Why are those the prime factors of the number 20,165,652?

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 20,165,652

20,165,652
Factor Arrows
210,082,826
Factor Arrows
25,041,413
Factor Arrows
31,680,471
Factor Arrows
3560,157
Factor Arrows
3186,719
Factor Arrows
1314,363
Factor Arrows
53271

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, 13, 53, 271

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 13 x 53 x 271 = 20,165,652

This can also be written as 22 x 33 x 131 x 531 x 2711 = 20,165,652

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


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