Q: Is 216,490 a Prime Number?
A: No, 216,490 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 216490 can be evenly divided by 1 2 5 10 21,649 43,298 108,245 and 216,490, with no remainder.
Since 216,490 cannot be divided by just 1 and 216,490, it is not a prime number.