Q: What are the prime factors of the number 313,123,296?

 A: 2, 3, 103, 31667

Why are those the prime factors of the number 313,123,296?

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 313,123,296

313,123,296
Factor Arrows
2156,561,648
Factor Arrows
278,280,824
Factor Arrows
239,140,412
Factor Arrows
219,570,206
Factor Arrows
29,785,103
Factor Arrows
33,261,701
Factor Arrows
10331,667

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, 103, 31667

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 103 x 31,667 = 313,123,296

This can also be written as 25 x 31 x 1031 x 31,6671 = 313,123,296

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


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