SOLUTION: Four boys were asked to think of a three-digit number. Each boy wrote the last digit of his number. The first boy wrote 6, the second wrote 1, the third wrote 0 and the last wrote

Algebra ->  Permutations -> SOLUTION: Four boys were asked to think of a three-digit number. Each boy wrote the last digit of his number. The first boy wrote 6, the second wrote 1, the third wrote 0 and the last wrote       Log On


   



Question 1100361: Four boys were asked to think of a three-digit number. Each boy wrote the last digit of his number. The first boy wrote 6, the second wrote 1, the third wrote 0 and the last wrote 5. Who could have thought of a prime number?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
The first boy wrote 6 which is divisible by 2 and/or 3
, the second wrote 1,
the third wrote 0 which is divisible by 5 and 10
and the last wrote 5. which is divisible by 5
, the second wrote 1, possible prime number