Q: What are the prime factors of the number 12,826,530?

 A: 2, 3, 5, 53, 2689

Why are those the prime factors of the number 12,826,530?

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 12,826,530

12,826,530
Factor Arrows
26,413,265
Factor Arrows
32,137,755
Factor Arrows
3712,585
Factor Arrows
5142,517
Factor Arrows
532,689

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, 53, 2689

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 53 x 2,689 = 12,826,530

This can also be written as 21 x 32 x 51 x 531 x 2,6891 = 12,826,530

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


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