Q: What are the prime factors of the number 26,211,072?

 A: 2, 3, 34129

Why are those the prime factors of the number 26,211,072?

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 26,211,072

26,211,072
Factor Arrows
213,105,536
Factor Arrows
26,552,768
Factor Arrows
23,276,384
Factor Arrows
21,638,192
Factor Arrows
2819,096
Factor Arrows
2409,548
Factor Arrows
2204,774
Factor Arrows
2102,387
Factor Arrows
334,129

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, 34129

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 3 x 34,129 = 26,211,072

This can also be written as 28 x 31 x 34,1291 = 26,211,072

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


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