Q: What are the prime factors of the number 37,152?

 A: 2, 3, 43

Why are those the prime factors of the number 37,152?

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 37,152

37,152
Factor Arrows
218,576
Factor Arrows
29,288
Factor Arrows
24,644
Factor Arrows
22,322
Factor Arrows
21,161
Factor Arrows
3387
Factor Arrows
3129
Factor Arrows
343

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, 43

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 43 = 37,152

This can also be written as 25 x 33 x 431 = 37,152

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


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