Q: What are the prime factors of the number 672,078?

 A: 2, 3, 11, 17, 599

Why are those the prime factors of the number 672,078?

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 672,078

672,078
Factor Arrows
2336,039
Factor Arrows
3112,013
Factor Arrows
1110,183
Factor Arrows
17599

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, 11, 17, 599

We can check our work by multiplying all of the prime factors together: 2 x 3 x 11 x 17 x 599 = 672,078

This can also be written as 21 x 31 x 111 x 171 x 5991 = 672,078

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


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