Q: Is 815,145 a Prime Number?
A: No, 815,145 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 815145 can be evenly divided by 1 3 5 15 31 93 155 465 1,753 5,259 8,765 26,295 54,343 163,029 271,715 and 815,145, with no remainder.
Since 815,145 cannot be divided by just 1 and 815,145, it is not a prime number.