Q: What are the prime factors of the number 36,736?

 A: 2, 7, 41

Why are those the prime factors of the number 36,736?

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 36,736

36,736
Factor Arrows
218,368
Factor Arrows
29,184
Factor Arrows
24,592
Factor Arrows
22,296
Factor Arrows
21,148
Factor Arrows
2574
Factor Arrows
2287
Factor Arrows
741

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, 7, 41

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 2 x 7 x 41 = 36,736

This can also be written as 27 x 71 x 411 = 36,736

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


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