Q: What are the prime factors of the number 620,746?

 A: 2, 7, 101, 439

Why are those the prime factors of the number 620,746?

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 620,746

620,746
Factor Arrows
2310,373
Factor Arrows
744,339
Factor Arrows
101439

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, 101, 439

We can check our work by multiplying all of the prime factors together: 2 x 7 x 101 x 439 = 620,746

This can also be written as 21 x 71 x 1011 x 4391 = 620,746

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


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