Answer
Multiples of 1683 are:
1683, 3366, 5049, 6732, 8415, 10098, 11781, 13464, 15147, 16830, 18513, 20196, 21879, 23562, 25245, 26928, 28611, 30294, 31977, 33660, 35343, 37026, 38709, 40392, 42075, 43758, 45441, 47124, 48807, 50490, 52173, 53856, 55539, 57222, 58905, 60588, 62271, 63954, 65637, 67320, 69003, 70686, 72369, 74052, 75735, 77418, 79101, 80784, 82467
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