Answer
Multiples of 172 are:
172, 344, 516, 688, 860, 1032, 1204, 1376, 1548, 1720, 1892, 2064, 2236, 2408, 2580, 2752, 2924, 3096, 3268, 3440, 3612, 3784, 3956, 4128, 4300, 4472, 4644, 4816, 4988, 5160, 5332, 5504, 5676, 5848, 6020, 6192, 6364, 6536, 6708, 6880, 7052, 7224, 7396, 7568, 7740, 7912, 8084, 8256, 8428
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