Hamilton also had nine assists, four steals, three rebounds and a block.
Grambling State (1-4) got 28 points from Nigel Ribeiro who shot 8 for 14; 4 for 6 from 3. He was also 8 of 12 from the free-throw line.
Louisiana Tech raced to an 18-7 lead and was never challenged. The Bulldogs had a 43-24 halftime lead. The Bulldogs scored 43 points in the first and second half.
The Bulldogs only committed five turnovers in the game.