SOLUTION: Really stuck on this question A stamp collector is arranging 100 stamps in rows with the same number of stamps in each row. How many different ways could she arrange the stamps

Algebra ->  Equations -> SOLUTION: Really stuck on this question A stamp collector is arranging 100 stamps in rows with the same number of stamps in each row. How many different ways could she arrange the stamps       Log On


   

Question 351947: Really stuck on this question
A stamp collector is arranging 100 stamps in rows with the same number of stamps in each row. How many different ways could she arrange the stamps if she would like more than 2 tows but fewer than 10 rows?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Look for prime and composite factors of 100 greater than 2 and less than 10.
The prime factors of 100 are 2%2A2%2A5%2A5.
So, 4 rows and 5 rows are the only possible choices
.
.
.
4%2A25=100
5%2A20=100