Q: What are the prime factors of the number 31,334,079?

 A: 3, 7, 37, 823

Why are those the prime factors of the number 31,334,079?

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 31,334,079

31,334,079
Factor Arrows
310,444,693
Factor Arrows
71,492,099
Factor Arrows
7213,157
Factor Arrows
730,451
Factor Arrows
37823

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, 37, 823

We can check our work by multiplying all of the prime factors together: 3 x 7 x 7 x 7 x 37 x 823 = 31,334,079

This can also be written as 31 x 73 x 371 x 8231 = 31,334,079

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


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