Q: Is 31,212 a Prime Number?
A: No, 31,212 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 31212 can be evenly divided by 1 2 3 4 6 9 12 17 18 27 34 36 51 54 68 102 108 153 204 289 306 459 578 612 867 918 1,156 1,734 1,836 2,601 3,468 5,202 7,803 10,404 15,606 and 31,212, with no remainder.
Since 31,212 cannot be divided by just 1 and 31,212, it is not a prime number.