Q: What are the prime factors of the number 312,032?

 A: 2, 7, 199

Why are those the prime factors of the number 312,032?

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 312,032

312,032
Factor Arrows
2156,016
Factor Arrows
278,008
Factor Arrows
239,004
Factor Arrows
219,502
Factor Arrows
29,751
Factor Arrows
71,393
Factor Arrows
7199

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, 199

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 7 x 199 = 312,032

This can also be written as 25 x 72 x 1991 = 312,032

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


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