Q: What are the prime factors of the number 25,654,239?

 A: 3, 13, 2707

Why are those the prime factors of the number 25,654,239?

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 25,654,239

25,654,239
Factor Arrows
38,551,413
Factor Arrows
32,850,471
Factor Arrows
3950,157
Factor Arrows
3316,719
Factor Arrows
3105,573
Factor Arrows
335,191
Factor Arrows
132,707

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:

3, 13, 2707

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 13 x 2,707 = 25,654,239

This can also be written as 36 x 131 x 2,7071 = 25,654,239

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


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