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How many integers from 1 to 9 are divisors of the five-digit number 24,551?

 Sep 11, 2023
 #1
avatar+814 
+1

 

How many integers from 1 to 9 are divisors of the five-digit number 24,551?   

 

This again?  The literal answer is that all of them are.   

 

But, of course, I think you mean which are evenly divisible into 24,551. 

 

This is easy to find out.  You just try all the digits that might qualify.   

 

It ends with an odd number, so you don't have to try any of the even numbers.   

It doesn't end with a 5 or a zero, so you don't have to try 5. 

 

So that leaves 3, 7, and 9 to try.  That shouldn't be too hard to do.  

 

edited to add:  Haha, I fell for it.  24,551 is a prime number; the answer is none.    

.

 Sep 11, 2023
edited by Bosco  Sep 11, 2023
 #4
avatar+128794 
+1

24551 is  prime....but 1 divides  every real number

 

cool cool cool

 Sep 11, 2023

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