Q: What are the prime factors of the number 311,445,532?

 A: 2, 89, 874847

Why are those the prime factors of the number 311,445,532?

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 311,445,532

311,445,532
Factor Arrows
2155,722,766
Factor Arrows
277,861,383
Factor Arrows
89874,847

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, 89, 874847

We can check our work by multiplying all of the prime factors together: 2 x 2 x 89 x 874,847 = 311,445,532

This can also be written as 22 x 891 x 874,8471 = 311,445,532

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


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