Q: What are the prime factors of the number 13,470,936?

 A: 2, 3, 17, 137, 241

Why are those the prime factors of the number 13,470,936?

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 13,470,936

13,470,936
Factor Arrows
26,735,468
Factor Arrows
23,367,734
Factor Arrows
21,683,867
Factor Arrows
3561,289
Factor Arrows
1733,017
Factor Arrows
137241

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, 17, 137, 241

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 17 x 137 x 241 = 13,470,936

This can also be written as 23 x 31 x 171 x 1371 x 2411 = 13,470,936

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


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