Q: What are the prime factors of the number 311,143,670?

 A: 2, 5, 41, 758887

Why are those the prime factors of the number 311,143,670?

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 311,143,670

311,143,670
Factor Arrows
2155,571,835
Factor Arrows
531,114,367
Factor Arrows
41758,887

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, 5, 41, 758887

We can check our work by multiplying all of the prime factors together: 2 x 5 x 41 x 758,887 = 311,143,670

This can also be written as 21 x 51 x 411 x 758,8871 = 311,143,670

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


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