Q: Is 342,040 a Prime Number?
A: No, 342,040 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 342040 can be evenly divided by 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 503 680 1,006 2,012 2,515 4,024 5,030 8,551 10,060 17,102 20,120 34,204 42,755 68,408 85,510 171,020 and 342,040, with no remainder.
Since 342,040 cannot be divided by just 1 and 342,040, it is not a prime number.