Q: What are the prime factors of the number 311,308,056?

 A: 2, 3, 1441241

Why are those the prime factors of the number 311,308,056?

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 311,308,056

311,308,056
Factor Arrows
2155,654,028
Factor Arrows
277,827,014
Factor Arrows
238,913,507
Factor Arrows
312,971,169
Factor Arrows
34,323,723
Factor Arrows
31,441,241

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, 3, 1441241

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 1,441,241 = 311,308,056

This can also be written as 23 x 33 x 1,441,2411 = 311,308,056

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


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