Q: Is 340,820 a Prime Number?
A: No, 340,820 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 340820 can be evenly divided by 1 2 4 5 10 20 17,041 34,082 68,164 85,205 170,410 and 340,820, with no remainder.
Since 340,820 cannot be divided by just 1 and 340,820, it is not a prime number.