Q: What are the prime factors of the number 310,321,319?

 A: 7, 11, 19, 1753

Why are those the prime factors of the number 310,321,319?

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 310,321,319

310,321,319
Factor Arrows
744,331,617
Factor Arrows
114,030,147
Factor Arrows
11366,377
Factor Arrows
1133,307
Factor Arrows
191,753

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:

7, 11, 19, 1753

We can check our work by multiplying all of the prime factors together: 7 x 11 x 11 x 11 x 19 x 1,753 = 310,321,319

This can also be written as 71 x 113 x 191 x 1,7531 = 310,321,319

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


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