Q: Is 218,424 a Prime Number?
A: No, 218,424 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 218424 can be evenly divided by 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 479 958 1,437 1,916 2,874 3,832 5,748 9,101 11,496 18,202 27,303 36,404 54,606 72,808 109,212 and 218,424, with no remainder.
Since 218,424 cannot be divided by just 1 and 218,424, it is not a prime number.