Q: Is 268,521 a Prime Number?
A: No, 268,521 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 268521 can be evenly divided by 1 3 11 33 79 103 237 309 869 1,133 2,607 3,399 8,137 24,411 89,507 and 268,521, with no remainder.
Since 268,521 cannot be divided by just 1 and 268,521, it is not a prime number.