Answer
Multiples of 1623 are:
1623, 3246, 4869, 6492, 8115, 9738, 11361, 12984, 14607, 16230, 17853, 19476, 21099, 22722, 24345, 25968, 27591, 29214, 30837, 32460, 34083, 35706, 37329, 38952, 40575, 42198, 43821, 45444, 47067, 48690, 50313, 51936, 53559, 55182, 56805, 58428, 60051, 61674, 63297, 64920, 66543, 68166, 69789, 71412, 73035, 74658, 76281, 77904, 79527
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