Q: What are the prime factors of the number 12,316,237?

 A: 19, 109, 313

Why are those the prime factors of the number 12,316,237?

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 12,316,237

12,316,237
Factor Arrows
19648,223
Factor Arrows
1934,117
Factor Arrows
109313

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:

19, 109, 313

We can check our work by multiplying all of the prime factors together: 19 x 19 x 109 x 313 = 12,316,237

This can also be written as 192 x 1091 x 3131 = 12,316,237

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


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