Q: Is 31,122 a Prime Number?
A: No, 31,122 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 31122 can be evenly divided by 1 2 3 6 7 9 13 14 18 19 21 26 38 39 42 57 63 78 91 114 117 126 133 171 182 234 247 266 273 342 399 494 546 741 798 819 1,197 1,482 1,638 1,729 2,223 2,394 3,458 4,446 5,187 10,374 15,561 and 31,122, with no remainder.
Since 31,122 cannot be divided by just 1 and 31,122, it is not a prime number.