Q: Is 423,550 a Prime Number?
A: No, 423,550 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 423550 can be evenly divided by 1 2 5 10 25 43 50 86 197 215 394 430 985 1,075 1,970 2,150 4,925 8,471 9,850 16,942 42,355 84,710 211,775 and 423,550, with no remainder.
Since 423,550 cannot be divided by just 1 and 423,550, it is not a prime number.