Q: What are the prime factors of the number 310,683,392?

 A: 2, 1213607

Why are those the prime factors of the number 310,683,392?

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 310,683,392

310,683,392
Factor Arrows
2155,341,696
Factor Arrows
277,670,848
Factor Arrows
238,835,424
Factor Arrows
219,417,712
Factor Arrows
29,708,856
Factor Arrows
24,854,428
Factor Arrows
22,427,214
Factor Arrows
21,213,607

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, 1213607

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 1,213,607 = 310,683,392

This can also be written as 28 x 1,213,6071 = 310,683,392

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


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