Q: What are the prime factors of the number 313,321,480?

 A: 2, 5, 67, 116911

Why are those the prime factors of the number 313,321,480?

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 313,321,480

313,321,480
Factor Arrows
2156,660,740
Factor Arrows
278,330,370
Factor Arrows
239,165,185
Factor Arrows
57,833,037
Factor Arrows
67116,911

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, 67, 116911

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 67 x 116,911 = 313,321,480

This can also be written as 23 x 51 x 671 x 116,9111 = 313,321,480

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


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