Q: What are the prime factors of the number 13,389,000?

 A: 2, 3, 5, 4463

Why are those the prime factors of the number 13,389,000?

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 13,389,000

13,389,000
Factor Arrows
26,694,500
Factor Arrows
23,347,250
Factor Arrows
21,673,625
Factor Arrows
3557,875
Factor Arrows
5111,575
Factor Arrows
522,315
Factor Arrows
54,463

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, 5, 4463

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 5 x 5 x 4,463 = 13,389,000

This can also be written as 23 x 31 x 53 x 4,4631 = 13,389,000

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


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