Q: What are the prime factors of the number 317,756?

 A: 2, 19, 37, 113

Why are those the prime factors of the number 317,756?

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 317,756

317,756
Factor Arrows
2158,878
Factor Arrows
279,439
Factor Arrows
194,181
Factor Arrows
37113

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, 19, 37, 113

We can check our work by multiplying all of the prime factors together: 2 x 2 x 19 x 37 x 113 = 317,756

This can also be written as 22 x 191 x 371 x 1131 = 317,756

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


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