Q: Is 155,263 a Prime Number?
A: No, 155,263 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 155263 can be evenly divided by 1 139 1,117 and 155,263, with no remainder.
Since 155,263 cannot be divided by just 1 and 155,263, it is not a prime number.