Q: Is 345,020 a Prime Number?
A: No, 345,020 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 345020 can be evenly divided by 1 2 4 5 10 13 20 26 52 65 130 260 1,327 2,654 5,308 6,635 13,270 17,251 26,540 34,502 69,004 86,255 172,510 and 345,020, with no remainder.
Since 345,020 cannot be divided by just 1 and 345,020, it is not a prime number.