Q: What are the prime factors of the number 311,166,273?

 A: 3, 11, 47, 439, 457

Why are those the prime factors of the number 311,166,273?

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 311,166,273

311,166,273
Factor Arrows
3103,722,091
Factor Arrows
119,429,281
Factor Arrows
47200,623
Factor Arrows
439457

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:

3, 11, 47, 439, 457

We can check our work by multiplying all of the prime factors together: 3 x 11 x 47 x 439 x 457 = 311,166,273

This can also be written as 31 x 111 x 471 x 4391 x 4571 = 311,166,273

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


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