Q: Is 357,840 a Prime Number?
A: No, 357,840 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 357840 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 35 36 40 42 45 48 56 60 63 70 71 72 80 84 90 105 112 120 126 140 142 144 168 180 210 213 240 252 280 284 315 336 355 360 420 426 497 504 560 568 630 639 710 720 840 852 994 1,008 1,065 1,136 1,260 1,278 1,420 1,491 1,680 1,704 1,988 2,130 2,485 2,520 2,556 2,840 2,982 3,195 3,408 3,976 4,260 4,473 4,970 5,040 5,112 5,680 5,964 6,390 7,455 7,952 8,520 8,946 9,940 10,224 11,928 12,780 14,910 17,040 17,892 19,880 22,365 23,856 25,560 29,820 35,784 39,760 44,730 51,120 59,640 71,568 89,460 119,280 178,920 and 357,840, with no remainder.
Since 357,840 cannot be divided by just 1 and 357,840, it is not a prime number.