Q: Is 197,505 a Prime Number?
A: No, 197,505 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 197505 can be evenly divided by 1 3 5 7 9 11 15 19 21 27 33 35 45 55 57 63 77 95 99 105 133 135 165 171 189 209 231 285 297 315 385 399 495 513 627 665 693 855 945 1,045 1,155 1,197 1,463 1,485 1,881 1,995 2,079 2,565 3,135 3,465 3,591 4,389 5,643 5,985 7,315 9,405 10,395 13,167 17,955 21,945 28,215 39,501 65,835 and 197,505, with no remainder.
Since 197,505 cannot be divided by just 1 and 197,505, it is not a prime number.