Q: What are the prime factors of the number 659,246?

 A: 2, 7, 31

Why are those the prime factors of the number 659,246?

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 659,246

659,246
Factor Arrows
2329,623
Factor Arrows
747,089
Factor Arrows
76,727
Factor Arrows
7961
Factor Arrows
3131

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, 31

We can check our work by multiplying all of the prime factors together: 2 x 7 x 7 x 7 x 31 x 31 = 659,246

This can also be written as 21 x 73 x 312 = 659,246

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


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