3 / 840 = 0.00357
93.3333
0.000396825397
70
0.0107
840
8
14
0.0179
120
0.0024
All multiples of their LCM is divisible by them. lcm(8, 7, 6, 5, 4, 3, 2, 1) = 840 therefore need the largest multiple of 840 which is a 3-digit number = 840 x 1 = 840.
0.006