Q: Is 262,561 a Prime Number?
A: No, 262,561 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 262561 can be evenly divided by 1 13 19 247 1,063 13,819 20,197 and 262,561, with no remainder.
Since 262,561 cannot be divided by just 1 and 262,561, it is not a prime number.