Q: What are the prime factors of the number 26,551,008?

 A: 2, 3, 11, 17, 29

Why are those the prime factors of the number 26,551,008?

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 26,551,008

26,551,008
Factor Arrows
213,275,504
Factor Arrows
26,637,752
Factor Arrows
23,318,876
Factor Arrows
21,659,438
Factor Arrows
2829,719
Factor Arrows
3276,573
Factor Arrows
392,191
Factor Arrows
118,381
Factor Arrows
17493
Factor Arrows
1729

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, 11, 17, 29

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 11 x 17 x 17 x 29 = 26,551,008

This can also be written as 25 x 32 x 111 x 172 x 291 = 26,551,008

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


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