What is the age and value of a gun with the markings LeFever Arms Co 53935 made in Syracuse NY also bearing the name Krupp?

What are the first three common multiples of 345?

The multiples of 2345 are: 2345, 4690, 7035, 9380, 11725, 14070, 16415, 18760, 21105, 23450, 25795, 28140, 30485, 32830, 35175, 37520, 39865, 42210, 44555, 46900, 49245, 51590, 53935, 56280, 58625, 60970, 63315, 65660, 68005, 70350, 72695, 75040, 77385, 79730, 82075, 84420, 86765, 89110, 91455, 93800, 96145, 98490, 100835, 103180, 105525, 107870, 110215, 112560, 114905, 117250, 119595, 121940, 124285, 126630, 128975, 131320, 133665, 136010, 138355, 140700, 143045, 145390, 147735, 150080, 152425, 154770, 157115, 159460, 161805, 164150, 166495, 168840, 171185, 173530, 175875, 178220, 180565, 182910, 185255, 187600, 189945, 192290, 194635, 196980, 199325, 201670, 204015, 206360, 208705, 211050, 213395, 215740, 218085, 220430, 222775, 225120, 227465, 229810, 232155, 234500, ...