Q: What are the prime factors of the number 31,475,232?

 A: 2, 3, 293, 373

Why are those the prime factors of the number 31,475,232?

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 31,475,232

31,475,232
Factor Arrows
215,737,616
Factor Arrows
27,868,808
Factor Arrows
23,934,404
Factor Arrows
21,967,202
Factor Arrows
2983,601
Factor Arrows
3327,867
Factor Arrows
3109,289
Factor Arrows
293373

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, 293, 373

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 293 x 373 = 31,475,232

This can also be written as 25 x 32 x 2931 x 3731 = 31,475,232

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


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