Q: What are the prime factors of the number 425,430?

 A: 2, 3, 5, 29, 163

Why are those the prime factors of the number 425,430?

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 425,430

425,430
Factor Arrows
2212,715
Factor Arrows
370,905
Factor Arrows
323,635
Factor Arrows
54,727
Factor Arrows
29163

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, 5, 29, 163

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 29 x 163 = 425,430

This can also be written as 21 x 32 x 51 x 291 x 1631 = 425,430

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


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