Q: What are the prime factors of the number 26,070,072?

 A: 2, 3, 7, 29, 5351

Why are those the prime factors of the number 26,070,072?

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 26,070,072

26,070,072
Factor Arrows
213,035,036
Factor Arrows
26,517,518
Factor Arrows
23,258,759
Factor Arrows
31,086,253
Factor Arrows
7155,179
Factor Arrows
295,351

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, 29, 5351

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 7 x 29 x 5,351 = 26,070,072

This can also be written as 23 x 31 x 71 x 291 x 5,3511 = 26,070,072

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


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