Q: Is 12,440 a Prime Number?
A: No, 12,440 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 12440 can be evenly divided by 1 2 4 5 8 10 20 40 311 622 1,244 1,555 2,488 3,110 6,220 and 12,440, with no remainder.
Since 12,440 cannot be divided by just 1 and 12,440, it is not a prime number.