Q: Is 5,278 a Prime Number?
A: No, 5,278 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 5278 can be evenly divided by 1 2 7 13 14 26 29 58 91 182 203 377 406 754 2,639 and 5,278, with no remainder.
Since 5,278 cannot be divided by just 1 and 5,278, it is not a prime number.