Q: Is 197,561 a Prime Number?
A: No, 197,561 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 197561 can be evenly divided by 1 7 13 91 167 169 1,169 1,183 2,171 15,197 28,223 and 197,561, with no remainder.
Since 197,561 cannot be divided by just 1 and 197,561, it is not a prime number.