Q: What are the prime factors of the number 371,227,131?

 A: 3, 11, 373, 1117

Why are those the prime factors of the number 371,227,131?

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 371,227,131

371,227,131
Factor Arrows
3123,742,377
Factor Arrows
341,247,459
Factor Arrows
313,749,153
Factor Arrows
34,583,051
Factor Arrows
11416,641
Factor Arrows
3731,117

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, 373, 1117

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 11 x 373 x 1,117 = 371,227,131

This can also be written as 34 x 111 x 3731 x 1,1171 = 371,227,131

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


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