Answer
Multiples of 1240 are:
1240, 2480, 3720, 4960, 6200, 7440, 8680, 9920, 11160, 12400, 13640, 14880, 16120, 17360, 18600, 19840, 21080, 22320, 23560, 24800, 26040, 27280, 28520, 29760, 31000, 32240, 33480, 34720, 35960, 37200, 38440, 39680, 40920, 42160, 43400, 44640, 45880, 47120, 48360, 49600, 50840, 52080, 53320, 54560, 55800, 57040, 58280, 59520, 60760
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