Q: What are the prime factors of the number 26,753,125?

 A: 5, 7, 1223

Why are those the prime factors of the number 26,753,125?

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 26,753,125

26,753,125
Factor Arrows
55,350,625
Factor Arrows
51,070,125
Factor Arrows
5214,025
Factor Arrows
542,805
Factor Arrows
58,561
Factor Arrows
71,223

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:

5, 7, 1223

We can check our work by multiplying all of the prime factors together: 5 x 5 x 5 x 5 x 5 x 7 x 1,223 = 26,753,125

This can also be written as 55 x 71 x 1,2231 = 26,753,125

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


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