Q: Is 218,450 a Prime Number?
A: No, 218,450 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 218450 can be evenly divided by 1 2 5 10 17 25 34 50 85 170 257 425 514 850 1,285 2,570 4,369 6,425 8,738 12,850 21,845 43,690 109,225 and 218,450, with no remainder.
Since 218,450 cannot be divided by just 1 and 218,450, it is not a prime number.