Q: What are the prime factors of the number 26,342,640?

 A: 2, 3, 5, 36587

Why are those the prime factors of the number 26,342,640?

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 26,342,640

26,342,640
Factor Arrows
213,171,320
Factor Arrows
26,585,660
Factor Arrows
23,292,830
Factor Arrows
21,646,415
Factor Arrows
3548,805
Factor Arrows
3182,935
Factor Arrows
536,587

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, 36587

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 5 x 36,587 = 26,342,640

This can also be written as 24 x 32 x 51 x 36,5871 = 26,342,640

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


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