Three natural numbers, a, B, C, known as AXB = 12, bxc = 15, AXC = 20, then axbxc = ()

Three natural numbers, a, B, C, known as AXB = 12, bxc = 15, AXC = 20, then axbxc = ()

(axbxc)^2=12×15×20=3600
a. B and C are natural numbers,
axbxc=60.