Q: What are the prime factors of the number 12,656,368?

 A: 2, 37, 21379

Why are those the prime factors of the number 12,656,368?

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 12,656,368

12,656,368
Factor Arrows
26,328,184
Factor Arrows
23,164,092
Factor Arrows
21,582,046
Factor Arrows
2791,023
Factor Arrows
3721,379

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, 37, 21379

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 37 x 21,379 = 12,656,368

This can also be written as 24 x 371 x 21,3791 = 12,656,368

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


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