Q: Is 218,320 a Prime Number?
A: No, 218,320 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 218320 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 2,729 5,458 10,916 13,645 21,832 27,290 43,664 54,580 109,160 and 218,320, with no remainder.
Since 218,320 cannot be divided by just 1 and 218,320, it is not a prime number.