Q: What are the prime factors of the number 37,513,203?

 A: 3, 7, 13, 17, 59, 137

Why are those the prime factors of the number 37,513,203?

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 37,513,203

37,513,203
Factor Arrows
312,504,401
Factor Arrows
71,786,343
Factor Arrows
13137,411
Factor Arrows
178,083
Factor Arrows
59137

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:

3, 7, 13, 17, 59, 137

We can check our work by multiplying all of the prime factors together: 3 x 7 x 13 x 17 x 59 x 137 = 37,513,203

This can also be written as 31 x 71 x 131 x 171 x 591 x 1371 = 37,513,203

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


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