Answer
Multiples of 1601 are:
1601, 3202, 4803, 6404, 8005, 9606, 11207, 12808, 14409, 16010, 17611, 19212, 20813, 22414, 24015, 25616, 27217, 28818, 30419, 32020, 33621, 35222, 36823, 38424, 40025, 41626, 43227, 44828, 46429, 48030, 49631, 51232, 52833, 54434, 56035, 57636, 59237, 60838, 62439, 64040, 65641, 67242, 68843, 70444, 72045, 73646, 75247, 76848, 78449
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