Q: What are the prime factors of the number 310,984,856?

 A: 2, 7, 13, 19, 22483

Why are those the prime factors of the number 310,984,856?

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 310,984,856

310,984,856
Factor Arrows
2155,492,428
Factor Arrows
277,746,214
Factor Arrows
238,873,107
Factor Arrows
75,553,301
Factor Arrows
13427,177
Factor Arrows
1922,483

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, 7, 13, 19, 22483

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 13 x 19 x 22,483 = 310,984,856

This can also be written as 23 x 71 x 131 x 191 x 22,4831 = 310,984,856

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


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