Q: Is 261,860 a Prime Number?
A: No, 261,860 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 261860 can be evenly divided by 1 2 4 5 10 20 13,093 26,186 52,372 65,465 130,930 and 261,860, with no remainder.
Since 261,860 cannot be divided by just 1 and 261,860, it is not a prime number.