Q: Is 178,920 a Prime Number?
A: No, 178,920 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 178920 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 56 60 63 70 71 72 84 90 105 120 126 140 142 168 180 210 213 252 280 284 315 355 360 420 426 497 504 568 630 639 710 840 852 994 1,065 1,260 1,278 1,420 1,491 1,704 1,988 2,130 2,485 2,520 2,556 2,840 2,982 3,195 3,976 4,260 4,473 4,970 5,112 5,964 6,390 7,455 8,520 8,946 9,940 11,928 12,780 14,910 17,892 19,880 22,365 25,560 29,820 35,784 44,730 59,640 89,460 and 178,920, with no remainder.
Since 178,920 cannot be divided by just 1 and 178,920, it is not a prime number.