Q: Is 155,145 a Prime Number?
A: No, 155,145 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 155145 can be evenly divided by 1 3 5 15 10,343 31,029 51,715 and 155,145, with no remainder.
Since 155,145 cannot be divided by just 1 and 155,145, it is not a prime number.