Q: Is 342,880 a Prime Number?
A: No, 342,880 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 342880 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 160 2,143 4,286 8,572 10,715 17,144 21,430 34,288 42,860 68,576 85,720 171,440 and 342,880, with no remainder.
Since 342,880 cannot be divided by just 1 and 342,880, it is not a prime number.