Q: Is 102,921 a Prime Number?
A: No, 102,921 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 102921 can be evenly divided by 1 3 7 13 21 29 39 87 91 169 203 273 377 507 609 1,131 1,183 2,639 3,549 4,901 7,917 14,703 34,307 and 102,921, with no remainder.
Since 102,921 cannot be divided by just 1 and 102,921, it is not a prime number.