Q: What are the prime factors of the number 25,024,128?

 A: 2, 3, 65167

Why are those the prime factors of the number 25,024,128?

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 25,024,128

25,024,128
Factor Arrows
212,512,064
Factor Arrows
26,256,032
Factor Arrows
23,128,016
Factor Arrows
21,564,008
Factor Arrows
2782,004
Factor Arrows
2391,002
Factor Arrows
2195,501
Factor Arrows
365,167

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, 65167

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 3 x 65,167 = 25,024,128

This can also be written as 27 x 31 x 65,1671 = 25,024,128

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


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