Q: What are the prime factors of the number 15,136,227?

 A: 3, 769

Why are those the prime factors of the number 15,136,227?

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 15,136,227

15,136,227
Factor Arrows
35,045,409
Factor Arrows
31,681,803
Factor Arrows
3560,601
Factor Arrows
3186,867
Factor Arrows
362,289
Factor Arrows
320,763
Factor Arrows
36,921
Factor Arrows
32,307
Factor Arrows
3769

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, 769

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 3 x 3 x 3 x 769 = 15,136,227

This can also be written as 39 x 7691 = 15,136,227

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


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