Q: What are the prime factors of the number 313,045,108?

 A: 2, 271, 317, 911

Why are those the prime factors of the number 313,045,108?

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 313,045,108

313,045,108
Factor Arrows
2156,522,554
Factor Arrows
278,261,277
Factor Arrows
271288,787
Factor Arrows
317911

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, 271, 317, 911

We can check our work by multiplying all of the prime factors together: 2 x 2 x 271 x 317 x 911 = 313,045,108

This can also be written as 22 x 2711 x 3171 x 9111 = 313,045,108

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


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