Q: What are the prime factors of the number 620,235?

 A: 3, 5, 7, 11, 179

Why are those the prime factors of the number 620,235?

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 620,235

620,235
Factor Arrows
3206,745
Factor Arrows
368,915
Factor Arrows
513,783
Factor Arrows
71,969
Factor Arrows
11179

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, 5, 7, 11, 179

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 7 x 11 x 179 = 620,235

This can also be written as 32 x 51 x 71 x 111 x 1791 = 620,235

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


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