Q: What are the prime factors of the number 650,608?

 A: 2, 7, 37, 157

Why are those the prime factors of the number 650,608?

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 650,608

650,608
Factor Arrows
2325,304
Factor Arrows
2162,652
Factor Arrows
281,326
Factor Arrows
240,663
Factor Arrows
75,809
Factor Arrows
37157

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, 37, 157

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 37 x 157 = 650,608

This can also be written as 24 x 71 x 371 x 1571 = 650,608

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


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