what is the lowest common multiple of 32 and 40

Answer 1

Multiples of 32: 32*1 = 32, 32*2 = 64.
Therefore 32 and 64 are multiples of 32.

Multiples of 32: 32, 64, 96, 128, 160.
Multiples of 40: 40: 40, 80, 120, 160.
LCM = 160.

Answer 2

Correction:
Multiples of 40: 40, 80, 120, 160.

Answer 3

160 :D