Q: Is 121,771 a Prime Number?
A: No, 121,771 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 121771 can be evenly divided by 1 13 17 19 29 221 247 323 377 493 551 4,199 6,409 7,163 9,367 and 121,771, with no remainder.
Since 121,771 cannot be divided by just 1 and 121,771, it is not a prime number.