Q: What are the prime factors of the number 13,214,289?

 A: 3, 11, 59, 617

Why are those the prime factors of the number 13,214,289?

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 13,214,289

13,214,289
Factor Arrows
34,404,763
Factor Arrows
11400,433
Factor Arrows
1136,403
Factor Arrows
59617

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, 59, 617

We can check our work by multiplying all of the prime factors together: 3 x 11 x 11 x 59 x 617 = 13,214,289

This can also be written as 31 x 112 x 591 x 6171 = 13,214,289

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


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