Q: What are the prime factors of the number 25,581,275?

 A: 5, 653, 1567

Why are those the prime factors of the number 25,581,275?

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 25,581,275

25,581,275
Factor Arrows
55,116,255
Factor Arrows
51,023,251
Factor Arrows
6531,567

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, 653, 1567

We can check our work by multiplying all of the prime factors together: 5 x 5 x 653 x 1,567 = 25,581,275

This can also be written as 52 x 6531 x 1,5671 = 25,581,275

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


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