Q: Is 155,140 a Prime Number?
A: No, 155,140 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 155140 can be evenly divided by 1 2 4 5 10 20 7,757 15,514 31,028 38,785 77,570 and 155,140, with no remainder.
Since 155,140 cannot be divided by just 1 and 155,140, it is not a prime number.