Q: Is 15,378 a Prime Number?
A: No, 15,378 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 15378 can be evenly divided by 1 2 3 6 11 22 33 66 233 466 699 1,398 2,563 5,126 7,689 and 15,378, with no remainder.
Since 15,378 cannot be divided by just 1 and 15,378, it is not a prime number.