Q: What are the prime factors of the number 25,525,504?

 A: 2, 99709

Why are those the prime factors of the number 25,525,504?

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 25,525,504

25,525,504
Factor Arrows
212,762,752
Factor Arrows
26,381,376
Factor Arrows
23,190,688
Factor Arrows
21,595,344
Factor Arrows
2797,672
Factor Arrows
2398,836
Factor Arrows
2199,418
Factor Arrows
299,709

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, 99709

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 99,709 = 25,525,504

This can also be written as 28 x 99,7091 = 25,525,504

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


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