Q: Is 211,565 a Prime Number?
A: No, 211,565 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 211565 can be evenly divided by 1 5 17 19 85 95 131 323 655 1,615 2,227 2,489 11,135 12,445 42,313 and 211,565, with no remainder.
Since 211,565 cannot be divided by just 1 and 211,565, it is not a prime number.