Q: Is 345,990 a Prime Number?
A: No, 345,990 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 345990 can be evenly divided by 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 607 1,214 1,821 3,035 3,642 6,070 9,105 11,533 18,210 23,066 34,599 57,665 69,198 115,330 172,995 and 345,990, with no remainder.
Since 345,990 cannot be divided by just 1 and 345,990, it is not a prime number.