Compute gcd(144,108,72)\gcd(144, 108, 72)gcd(144,108,72) by first finding gcd(144,108)\gcd(144, 108)gcd(144,108), then combining the result with 727272.
gcd(144,108,72)=12\gcd(144, 108, 72) = 12gcd(144,108,72)=12
gcd(144,108,72)=18\gcd(144, 108, 72) = 18gcd(144,108,72)=18
gcd(144,108,72)=24\gcd(144, 108, 72) = 24gcd(144,108,72)=24
gcd(144,108,72)=36\gcd(144, 108, 72) = 36gcd(144,108,72)=36