Q: Is 218,430 a Prime Number?
A: No, 218,430 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 218430 can be evenly divided by 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 809 1,618 2,427 4,045 4,854 7,281 8,090 12,135 14,562 21,843 24,270 36,405 43,686 72,810 109,215 and 218,430, with no remainder.
Since 218,430 cannot be divided by just 1 and 218,430, it is not a prime number.