Q: What are the prime factors of the number 25,672,808?

 A: 2, 7, 359, 1277

Why are those the prime factors of the number 25,672,808?

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 25,672,808

25,672,808
Factor Arrows
212,836,404
Factor Arrows
26,418,202
Factor Arrows
23,209,101
Factor Arrows
7458,443
Factor Arrows
3591,277

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, 7, 359, 1277

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 359 x 1,277 = 25,672,808

This can also be written as 23 x 71 x 3591 x 1,2771 = 25,672,808

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


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