Q: Is 261,307 a Prime Number?
A: No, 261,307 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 261307 can be evenly divided by 1 17 19 323 809 13,753 15,371 and 261,307, with no remainder.
Since 261,307 cannot be divided by just 1 and 261,307, it is not a prime number.