Q: Is 218,840 a Prime Number?
A: No, 218,840 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 218840 can be evenly divided by 1 2 4 5 8 10 20 40 5,471 10,942 21,884 27,355 43,768 54,710 109,420 and 218,840, with no remainder.
Since 218,840 cannot be divided by just 1 and 218,840, it is not a prime number.