Q: What are the prime factors of the number 25,753,240?

 A: 2, 5, 83, 7757

Why are those the prime factors of the number 25,753,240?

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 25,753,240

25,753,240
Factor Arrows
212,876,620
Factor Arrows
26,438,310
Factor Arrows
23,219,155
Factor Arrows
5643,831
Factor Arrows
837,757

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, 5, 83, 7757

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 83 x 7,757 = 25,753,240

This can also be written as 23 x 51 x 831 x 7,7571 = 25,753,240

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


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