Q: Is 62,643 a Prime Number?
A: No, 62,643 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 62643 can be evenly divided by 1 3 7 19 21 57 133 157 399 471 1,099 2,983 3,297 8,949 20,881 and 62,643, with no remainder.
Since 62,643 cannot be divided by just 1 and 62,643, it is not a prime number.