Q: What are the prime factors of the number 818,712?

 A: 2, 3, 83, 137

Why are those the prime factors of the number 818,712?

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 818,712

818,712
Factor Arrows
2409,356
Factor Arrows
2204,678
Factor Arrows
2102,339
Factor Arrows
334,113
Factor Arrows
311,371
Factor Arrows
83137

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, 83, 137

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 83 x 137 = 818,712

This can also be written as 23 x 32 x 831 x 1371 = 818,712

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


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