Q: Is 42,656 a Prime Number?
A: No, 42,656 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 42656 can be evenly divided by 1 2 4 8 16 31 32 43 62 86 124 172 248 344 496 688 992 1,333 1,376 2,666 5,332 10,664 21,328 and 42,656, with no remainder.
Since 42,656 cannot be divided by just 1 and 42,656, it is not a prime number.