Q: What are the prime factors of the number 13,513,446?

 A: 2, 3, 19, 13171

Why are those the prime factors of the number 13,513,446?

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 13,513,446

13,513,446
Factor Arrows
26,756,723
Factor Arrows
32,252,241
Factor Arrows
3750,747
Factor Arrows
3250,249
Factor Arrows
1913,171

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, 19, 13171

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 19 x 13,171 = 13,513,446

This can also be written as 21 x 33 x 191 x 13,1711 = 13,513,446

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


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