Q: What are the prime factors of the number 15,142,059?

 A: 3, 20771

Why are those the prime factors of the number 15,142,059?

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 15,142,059

15,142,059
Factor Arrows
35,047,353
Factor Arrows
31,682,451
Factor Arrows
3560,817
Factor Arrows
3186,939
Factor Arrows
362,313
Factor Arrows
320,771

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:

3, 20771

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 20,771 = 15,142,059

This can also be written as 36 x 20,7711 = 15,142,059

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


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