Q: What are the prime factors of the number 13,893,564?

 A: 2, 3, 23, 71, 709

Why are those the prime factors of the number 13,893,564?

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 13,893,564

13,893,564
Factor Arrows
26,946,782
Factor Arrows
23,473,391
Factor Arrows
31,157,797
Factor Arrows
2350,339
Factor Arrows
71709

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, 23, 71, 709

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 23 x 71 x 709 = 13,893,564

This can also be written as 22 x 31 x 231 x 711 x 7091 = 13,893,564

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


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