Q: What are the prime factors of the number 13,689,504?

 A: 2, 3, 47533

Why are those the prime factors of the number 13,689,504?

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 13,689,504

13,689,504
Factor Arrows
26,844,752
Factor Arrows
23,422,376
Factor Arrows
21,711,188
Factor Arrows
2855,594
Factor Arrows
2427,797
Factor Arrows
3142,599
Factor Arrows
347,533

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, 47533

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 47,533 = 13,689,504

This can also be written as 25 x 32 x 47,5331 = 13,689,504

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


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