Q: What are the prime factors of the number 12,964,479?

 A: 3, 11, 19, 23, 29, 31

Why are those the prime factors of the number 12,964,479?

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 12,964,479

12,964,479
Factor Arrows
34,321,493
Factor Arrows
11392,863
Factor Arrows
1920,677
Factor Arrows
23899
Factor Arrows
2931

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, 19, 23, 29, 31

We can check our work by multiplying all of the prime factors together: 3 x 11 x 19 x 23 x 29 x 31 = 12,964,479

This can also be written as 31 x 111 x 191 x 231 x 291 x 311 = 12,964,479

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


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