Q: Is 15,440 a Prime Number?
A: No, 15,440 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 15440 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 193 386 772 965 1,544 1,930 3,088 3,860 7,720 and 15,440, with no remainder.
Since 15,440 cannot be divided by just 1 and 15,440, it is not a prime number.