+0  
 
0
22
1
avatar

For all positive integers n, the nth triangular number T_n is defined as $T_n = 1+2+3+...+ n$. What is the greatest possible value of the greatest common divisor of 4T_n and n - 2?

 Jun 7, 2021
 #1
avatar
0

The gcd is 6.

 Jun 7, 2021

13 Online Users

avatar
avatar
avatar
avatar