Answer
Multiples of 1639 are:
1639, 3278, 4917, 6556, 8195, 9834, 11473, 13112, 14751, 16390, 18029, 19668, 21307, 22946, 24585, 26224, 27863, 29502, 31141, 32780, 34419, 36058, 37697, 39336, 40975, 42614, 44253, 45892, 47531, 49170, 50809, 52448, 54087, 55726, 57365, 59004, 60643, 62282, 63921, 65560, 67199, 68838, 70477, 72116, 73755, 75394, 77033, 78672, 80311
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