Q: What are the prime factors of the number 25,155,350?

 A: 2, 5, 11, 45737

Why are those the prime factors of the number 25,155,350?

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 25,155,350

25,155,350
Factor Arrows
212,577,675
Factor Arrows
52,515,535
Factor Arrows
5503,107
Factor Arrows
1145,737

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, 5, 11, 45737

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 11 x 45,737 = 25,155,350

This can also be written as 21 x 52 x 111 x 45,7371 = 25,155,350

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


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