Q: Is 21,696 a Prime Number?
A: No, 21,696 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 21696 can be evenly divided by 1 2 3 4 6 8 12 16 24 32 48 64 96 113 192 226 339 452 678 904 1,356 1,808 2,712 3,616 5,424 7,232 10,848 and 21,696, with no remainder.
Since 21,696 cannot be divided by just 1 and 21,696, it is not a prime number.