Q: What are the prime factors of the number 12,311,196?

 A: 2, 3, 17, 29, 2081

Why are those the prime factors of the number 12,311,196?

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 12,311,196

12,311,196
Factor Arrows
26,155,598
Factor Arrows
23,077,799
Factor Arrows
31,025,933
Factor Arrows
1760,349
Factor Arrows
292,081

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, 17, 29, 2081

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 17 x 29 x 2,081 = 12,311,196

This can also be written as 22 x 31 x 171 x 291 x 2,0811 = 12,311,196

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


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