Answer
Multiples of 7990 are:
7990, 15980, 23970, 31960, 39950, 47940, 55930, 63920, 71910, 79900, 87890, 95880, 103870, 111860, 119850, 127840, 135830, 143820, 151810, 159800, 167790, 175780, 183770, 191760, 199750, 207740, 215730, 223720, 231710, 239700, 247690, 255680, 263670, 271660, 279650, 287640, 295630, 303620, 311610, 319600, 327590, 335580, 343570, 351560, 359550, 367540, 375530, 383520, 391510
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