Q: Is 342,656 a Prime Number?
A: No, 342,656 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 342656 can be evenly divided by 1 2 4 8 16 32 64 128 2,677 5,354 10,708 21,416 42,832 85,664 171,328 and 342,656, with no remainder.
Since 342,656 cannot be divided by just 1 and 342,656, it is not a prime number.