Q: What are the prime factors of the number 310,708,288?

 A: 2, 11, 23, 31, 619

Why are those the prime factors of the number 310,708,288?

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 310,708,288

310,708,288
Factor Arrows
2155,354,144
Factor Arrows
277,677,072
Factor Arrows
238,838,536
Factor Arrows
219,419,268
Factor Arrows
29,709,634
Factor Arrows
24,854,817
Factor Arrows
11441,347
Factor Arrows
2319,189
Factor Arrows
31619

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, 11, 23, 31, 619

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 11 x 23 x 31 x 619 = 310,708,288

This can also be written as 26 x 111 x 231 x 311 x 6191 = 310,708,288

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


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