Q: Is 145,197 a Prime Number?
A: No, 145,197 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 145197 can be evenly divided by 1 3 9 13 17 39 51 73 117 153 219 221 657 663 949 1,241 1,989 2,847 3,723 8,541 11,169 16,133 48,399 and 145,197, with no remainder.
Since 145,197 cannot be divided by just 1 and 145,197, it is not a prime number.