Q: What are the prime factors of the number 25,557,896?

 A: 2, 7, 13, 35107

Why are those the prime factors of the number 25,557,896?

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 25,557,896

25,557,896
Factor Arrows
212,778,948
Factor Arrows
26,389,474
Factor Arrows
23,194,737
Factor Arrows
7456,391
Factor Arrows
1335,107

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, 13, 35107

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 13 x 35,107 = 25,557,896

This can also be written as 23 x 71 x 131 x 35,1071 = 25,557,896

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


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