Q: What are the prime factors of the number 25,501,508?

 A: 2, 41, 131, 1187

Why are those the prime factors of the number 25,501,508?

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 25,501,508

25,501,508
Factor Arrows
212,750,754
Factor Arrows
26,375,377
Factor Arrows
41155,497
Factor Arrows
1311,187

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, 41, 131, 1187

We can check our work by multiplying all of the prime factors together: 2 x 2 x 41 x 131 x 1,187 = 25,501,508

This can also be written as 22 x 411 x 1311 x 1,1871 = 25,501,508

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


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