Q: What are the prime factors of the number 26,315,442?

 A: 2, 3, 18049

Why are those the prime factors of the number 26,315,442?

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 26,315,442

26,315,442
Factor Arrows
213,157,721
Factor Arrows
34,385,907
Factor Arrows
31,461,969
Factor Arrows
3487,323
Factor Arrows
3162,441
Factor Arrows
354,147
Factor Arrows
318,049

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, 18049

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 3 x 18,049 = 26,315,442

This can also be written as 21 x 36 x 18,0491 = 26,315,442

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


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