Answer
Multiples of 1663 are:
1663, 3326, 4989, 6652, 8315, 9978, 11641, 13304, 14967, 16630, 18293, 19956, 21619, 23282, 24945, 26608, 28271, 29934, 31597, 33260, 34923, 36586, 38249, 39912, 41575, 43238, 44901, 46564, 48227, 49890, 51553, 53216, 54879, 56542, 58205, 59868, 61531, 63194, 64857, 66520, 68183, 69846, 71509, 73172, 74835, 76498, 78161, 79824, 81487
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