Junior 2011/7
Posted: Thu Jan 30, 2014 2:31 pm
Consider a sequence of four integers so that the GCD of first three is the same as the LCM of the last three. How many such sequences exist so that the sum of numbers is 2011
Posted here.samiul_samin wrote: ↑Wed Feb 14, 2018 9:07 pmThis problem has already discussed and solved in this forum.