Q: What are the prime factors of the number 26,021,248?

 A: 2, 11, 18481

Why are those the prime factors of the number 26,021,248?

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 26,021,248

26,021,248
Factor Arrows
213,010,624
Factor Arrows
26,505,312
Factor Arrows
23,252,656
Factor Arrows
21,626,328
Factor Arrows
2813,164
Factor Arrows
2406,582
Factor Arrows
2203,291
Factor Arrows
1118,481

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, 11, 18481

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 11 x 18,481 = 26,021,248

This can also be written as 27 x 111 x 18,4811 = 26,021,248

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


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