Q: What are the prime factors of the number 423,530,235?

 A: 3, 5, 19, 163, 1013

Why are those the prime factors of the number 423,530,235?

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 423,530,235

423,530,235
Factor Arrows
3141,176,745
Factor Arrows
347,058,915
Factor Arrows
315,686,305
Factor Arrows
53,137,261
Factor Arrows
19165,119
Factor Arrows
1631,013

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, 19, 163, 1013

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 19 x 163 x 1,013 = 423,530,235

This can also be written as 33 x 51 x 191 x 1631 x 1,0131 = 423,530,235

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


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