Q: Is 342,560 a Prime Number?
A: No, 342,560 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 342560 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 160 2,141 4,282 8,564 10,705 17,128 21,410 34,256 42,820 68,512 85,640 171,280 and 342,560, with no remainder.
Since 342,560 cannot be divided by just 1 and 342,560, it is not a prime number.