Q: What are the prime factors of the number 36,992?

 A: 2, 17

Why are those the prime factors of the number 36,992?

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 36,992

36,992
Factor Arrows
218,496
Factor Arrows
29,248
Factor Arrows
24,624
Factor Arrows
22,312
Factor Arrows
21,156
Factor Arrows
2578
Factor Arrows
2289
Factor Arrows
1717

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, 17

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 17 x 17 = 36,992

This can also be written as 27 x 172 = 36,992

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


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