Q: Is 816,340 a Prime Number?
A: No, 816,340 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 816340 can be evenly divided by 1 2 4 5 7 10 14 17 20 28 34 35 49 68 70 85 98 119 140 170 196 238 245 340 343 476 490 595 686 833 980 1,190 1,372 1,666 1,715 2,380 2,401 3,332 3,430 4,165 4,802 5,831 6,860 8,330 9,604 11,662 12,005 16,660 23,324 24,010 29,155 40,817 48,020 58,310 81,634 116,620 163,268 204,085 408,170 and 816,340, with no remainder.
Since 816,340 cannot be divided by just 1 and 816,340, it is not a prime number.