Answer
Multiples of 1407 are:
1407, 2814, 4221, 5628, 7035, 8442, 9849, 11256, 12663, 14070, 15477, 16884, 18291, 19698, 21105, 22512, 23919, 25326, 26733, 28140, 29547, 30954, 32361, 33768, 35175, 36582, 37989, 39396, 40803, 42210, 43617, 45024, 46431, 47838, 49245, 50652, 52059, 53466, 54873, 56280, 57687, 59094, 60501, 61908, 63315, 64722, 66129, 67536, 68943
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