Q: What are the prime factors of the number 26,402,208?

 A: 2, 3, 7, 101, 389

Why are those the prime factors of the number 26,402,208?

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 26,402,208

26,402,208
Factor Arrows
213,201,104
Factor Arrows
26,600,552
Factor Arrows
23,300,276
Factor Arrows
21,650,138
Factor Arrows
2825,069
Factor Arrows
3275,023
Factor Arrows
739,289
Factor Arrows
101389

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, 7, 101, 389

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 7 x 101 x 389 = 26,402,208

This can also be written as 25 x 31 x 71 x 1011 x 3891 = 26,402,208

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


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