Daniel Mullings and K.C. Ross-Miller each added 16 points for the Aggies (14-5, 3-0 Western Athletic Conference) who posted their seventh straight win. DK Eldridge chipped in with 15 points and six rebounds.
The Aggies pounded the Vandals early, going 24-4 to start the first period and lead 39-23 at the break. A Mullings 3-pointer at 15:00 in the second half capped a 14-4 Aggies run, expanding the New Mexico State advantage to 26 points.
Idaho was only 18 of 52 from the field overall and only 4 of 14 from beyond the arc. The team also committed 17 turnovers during the contest.
Bira Seck led the Vandals (7-11, 1-3) with nine points and nine rebounds.
Idaho has now lost five of its last six games.