Q: Is 15,880 a Prime Number?
A: No, 15,880 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 15880 can be evenly divided by 1 2 4 5 8 10 20 40 397 794 1,588 1,985 3,176 3,970 7,940 and 15,880, with no remainder.
Since 15,880 cannot be divided by just 1 and 15,880, it is not a prime number.