Q: What are the prime factors of the number 310,664,872?

 A: 2, 7, 41, 269, 503

Why are those the prime factors of the number 310,664,872?

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 310,664,872

310,664,872
Factor Arrows
2155,332,436
Factor Arrows
277,666,218
Factor Arrows
238,833,109
Factor Arrows
75,547,587
Factor Arrows
41135,307
Factor Arrows
269503

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, 7, 41, 269, 503

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 41 x 269 x 503 = 310,664,872

This can also be written as 23 x 71 x 411 x 2691 x 5031 = 310,664,872

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


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