Q: Is 249,921 a Prime Number?
A: No, 249,921 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 249921 can be evenly divided by 1 3 7 9 21 63 3,967 11,901 27,769 35,703 83,307 and 249,921, with no remainder.
Since 249,921 cannot be divided by just 1 and 249,921, it is not a prime number.