Q: Is 1,216,340 a Prime Number?
A: No, 1,216,340 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 1216340 can be evenly divided by 1 2 4 5 10 20 61 122 244 305 610 997 1,220 1,994 3,988 4,985 9,970 19,940 60,817 121,634 243,268 304,085 608,170 and 1,216,340, with no remainder.
Since 1,216,340 cannot be divided by just 1 and 1,216,340, it is not a prime number.