Q: What are the prime factors of the number 23,445,125?

 A: 5, 11, 17, 59

Why are those the prime factors of the number 23,445,125?

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 23,445,125

23,445,125
Factor Arrows
54,689,025
Factor Arrows
5937,805
Factor Arrows
5187,561
Factor Arrows
1117,051
Factor Arrows
171,003
Factor Arrows
1759

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:

5, 11, 17, 59

We can check our work by multiplying all of the prime factors together: 5 x 5 x 5 x 11 x 17 x 17 x 59 = 23,445,125

This can also be written as 53 x 111 x 172 x 591 = 23,445,125

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


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