Q: What are the prime factors of the number 234,655,040?

 A: 2, 5, 167, 4391

Why are those the prime factors of the number 234,655,040?

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 234,655,040

234,655,040
Factor Arrows
2117,327,520
Factor Arrows
258,663,760
Factor Arrows
229,331,880
Factor Arrows
214,665,940
Factor Arrows
27,332,970
Factor Arrows
23,666,485
Factor Arrows
5733,297
Factor Arrows
1674,391

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, 167, 4391

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 5 x 167 x 4,391 = 234,655,040

This can also be written as 26 x 51 x 1671 x 4,3911 = 234,655,040

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


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