Q: Is 578,340 a Prime Number?
A: No, 578,340 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 578340 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 14 15 17 18 20 21 27 28 30 34 35 36 42 45 51 54 60 63 68 70 81 84 85 90 102 105 108 119 126 135 140 153 162 170 180 189 204 210 238 243 252 255 270 306 315 324 340 357 378 405 420 459 476 486 510 540 567 595 612 630 714 756 765 810 918 945 972 1,020 1,071 1,134 1,190 1,215 1,260 1,377 1,428 1,530 1,620 1,701 1,785 1,836 1,890 2,142 2,268 2,295 2,380 2,430 2,754 2,835 3,060 3,213 3,402 3,570 3,780 4,131 4,284 4,590 4,860 5,355 5,508 5,670 6,426 6,804 6,885 7,140 8,262 8,505 9,180 9,639 10,710 11,340 12,852 13,770 16,065 16,524 17,010 19,278 20,655 21,420 27,540 28,917 32,130 34,020 38,556 41,310 48,195 57,834 64,260 82,620 96,390 115,668 144,585 192,780 289,170 and 578,340, with no remainder.
Since 578,340 cannot be divided by just 1 and 578,340, it is not a prime number.