Q: Is 155,021 a Prime Number?
A: No, 155,021 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 155021 can be evenly divided by 1 19 41 199 779 3,781 8,159 and 155,021, with no remainder.
Since 155,021 cannot be divided by just 1 and 155,021, it is not a prime number.