Q: What are the prime factors of the number 12,619,296?

 A: 2, 3, 43, 1019

Why are those the prime factors of the number 12,619,296?

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 12,619,296

12,619,296
Factor Arrows
26,309,648
Factor Arrows
23,154,824
Factor Arrows
21,577,412
Factor Arrows
2788,706
Factor Arrows
2394,353
Factor Arrows
3131,451
Factor Arrows
343,817
Factor Arrows
431,019

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, 43, 1019

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 43 x 1,019 = 12,619,296

This can also be written as 25 x 32 x 431 x 1,0191 = 12,619,296

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


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