Q: Is 42,168 a Prime Number?
A: No, 42,168 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 42168 can be evenly divided by 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 251 502 753 1,004 1,506 1,757 2,008 3,012 3,514 5,271 6,024 7,028 10,542 14,056 21,084 and 42,168, with no remainder.
Since 42,168 cannot be divided by just 1 and 42,168, it is not a prime number.