Q: What are the prime factors of the number 25,936,896?

 A: 2, 3, 8443

Why are those the prime factors of the number 25,936,896?

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 25,936,896

25,936,896
Factor Arrows
212,968,448
Factor Arrows
26,484,224
Factor Arrows
23,242,112
Factor Arrows
21,621,056
Factor Arrows
2810,528
Factor Arrows
2405,264
Factor Arrows
2202,632
Factor Arrows
2101,316
Factor Arrows
250,658
Factor Arrows
225,329
Factor Arrows
38,443

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, 3, 8443

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 2 x 2 x 3 x 8,443 = 25,936,896

This can also be written as 210 x 31 x 8,4431 = 25,936,896

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


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