Q: What are the prime factors of the number 310,000,128?

 A: 2, 3, 201823

Why are those the prime factors of the number 310,000,128?

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 310,000,128

310,000,128
Factor Arrows
2155,000,064
Factor Arrows
277,500,032
Factor Arrows
238,750,016
Factor Arrows
219,375,008
Factor Arrows
29,687,504
Factor Arrows
24,843,752
Factor Arrows
22,421,876
Factor Arrows
21,210,938
Factor Arrows
2605,469
Factor Arrows
3201,823

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, 201823

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 2 x 2 x 2 x 3 x 201,823 = 310,000,128

This can also be written as 29 x 31 x 201,8231 = 310,000,128

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


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