Q: What are the prime factors of the number 425,802?

 A: 2, 3, 13, 53, 103

Why are those the prime factors of the number 425,802?

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 425,802

425,802
Factor Arrows
2212,901
Factor Arrows
370,967
Factor Arrows
135,459
Factor Arrows
53103

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, 13, 53, 103

We can check our work by multiplying all of the prime factors together: 2 x 3 x 13 x 53 x 103 = 425,802

This can also be written as 21 x 31 x 131 x 531 x 1031 = 425,802

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


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