Q: What are the prime factors of the number 26,404,864?

 A: 2, 12893

Why are those the prime factors of the number 26,404,864?

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 26,404,864

26,404,864
Factor Arrows
213,202,432
Factor Arrows
26,601,216
Factor Arrows
23,300,608
Factor Arrows
21,650,304
Factor Arrows
2825,152
Factor Arrows
2412,576
Factor Arrows
2206,288
Factor Arrows
2103,144
Factor Arrows
251,572
Factor Arrows
225,786
Factor Arrows
212,893

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, 12893

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 2 x 2 x 2 x 2 x 12,893 = 26,404,864

This can also be written as 211 x 12,8931 = 26,404,864

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


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