Q: Is 197,145 a Prime Number?
A: No, 197,145 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 197145 can be evenly divided by 1 3 5 9 13 15 39 45 65 117 195 337 585 1,011 1,685 3,033 4,381 5,055 13,143 15,165 21,905 39,429 65,715 and 197,145, with no remainder.
Since 197,145 cannot be divided by just 1 and 197,145, it is not a prime number.