Q: Is 10,840 a Prime Number?
A: No, 10,840 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 10840 can be evenly divided by 1 2 4 5 8 10 20 40 271 542 1,084 1,355 2,168 2,710 5,420 and 10,840, with no remainder.
Since 10,840 cannot be divided by just 1 and 10,840, it is not a prime number.