Q: What are the prime factors of the number 25,201,566?

 A: 2, 3, 13, 107699

Why are those the prime factors of the number 25,201,566?

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 25,201,566

25,201,566
Factor Arrows
212,600,783
Factor Arrows
34,200,261
Factor Arrows
31,400,087
Factor Arrows
13107,699

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, 13, 107699

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 13 x 107,699 = 25,201,566

This can also be written as 21 x 32 x 131 x 107,6991 = 25,201,566

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


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