Q: What are the prime factors of the number 32,215,344?

 A: 2, 3, 7, 13697

Why are those the prime factors of the number 32,215,344?

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 32,215,344

32,215,344
Factor Arrows
216,107,672
Factor Arrows
28,053,836
Factor Arrows
24,026,918
Factor Arrows
22,013,459
Factor Arrows
3671,153
Factor Arrows
795,879
Factor Arrows
713,697

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, 13697

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 7 x 7 x 13,697 = 32,215,344

This can also be written as 24 x 31 x 72 x 13,6971 = 32,215,344

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


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