Answer:8
Step-by-step explanation:
(16---->1,2,4,(8),16
24----->1,2,3,4,6,(8),12,24
40----->1,2,4,5,(8),10,20,40
Because 8 is the largest common divisor
Answer: k= 4
Step-by-step equation
10,800 I think that's the answer