Q: What are the prime factors of the number 61,632?

 A: 2, 3, 107

Why are those the prime factors of the number 61,632?

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 61,632

61,632
Factor Arrows
230,816
Factor Arrows
215,408
Factor Arrows
27,704
Factor Arrows
23,852
Factor Arrows
21,926
Factor Arrows
2963
Factor Arrows
3321
Factor Arrows
3107

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, 107

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 107 = 61,632

This can also be written as 26 x 32 x 1071 = 61,632

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


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