Q: What are the prime factors of the number 25,308,108?

 A: 2, 3, 7, 14347

Why are those the prime factors of the number 25,308,108?

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 25,308,108

25,308,108
Factor Arrows
212,654,054
Factor Arrows
26,327,027
Factor Arrows
32,109,009
Factor Arrows
3703,003
Factor Arrows
7100,429
Factor Arrows
714,347

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, 7, 14347

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 7 x 7 x 14,347 = 25,308,108

This can also be written as 22 x 32 x 72 x 14,3471 = 25,308,108

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


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