Q: Is 15,878 a Prime Number?
A: No, 15,878 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 15878 can be evenly divided by 1 2 17 34 467 934 7,939 and 15,878, with no remainder.
Since 15,878 cannot be divided by just 1 and 15,878, it is not a prime number.