Q: Is 42,816 a Prime Number?
A: No, 42,816 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 42816 can be evenly divided by 1 2 3 4 6 8 12 16 24 32 48 64 96 192 223 446 669 892 1,338 1,784 2,676 3,568 5,352 7,136 10,704 14,272 21,408 and 42,816, with no remainder.
Since 42,816 cannot be divided by just 1 and 42,816, it is not a prime number.