Q: What are the prime factors of the number 13,492,332?

 A: 2, 3, 7, 661

Why are those the prime factors of the number 13,492,332?

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 13,492,332

13,492,332
Factor Arrows
26,746,166
Factor Arrows
23,373,083
Factor Arrows
31,124,361
Factor Arrows
3374,787
Factor Arrows
3124,929
Factor Arrows
341,643
Factor Arrows
313,881
Factor Arrows
34,627
Factor Arrows
7661

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, 7, 661

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 3 x 3 x 7 x 661 = 13,492,332

This can also be written as 22 x 36 x 71 x 6611 = 13,492,332

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


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