Q: What are the prime factors of the number 232,142,140?

 A: 2, 5, 17, 40163

Why are those the prime factors of the number 232,142,140?

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 232,142,140

232,142,140
Factor Arrows
2116,071,070
Factor Arrows
258,035,535
Factor Arrows
511,607,107
Factor Arrows
17682,771
Factor Arrows
1740,163

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, 5, 17, 40163

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 17 x 17 x 40,163 = 232,142,140

This can also be written as 22 x 51 x 172 x 40,1631 = 232,142,140

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


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