Q: Is 109,840 a Prime Number?
A: No, 109,840 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 109840 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 1,373 2,746 5,492 6,865 10,984 13,730 21,968 27,460 54,920 and 109,840, with no remainder.
Since 109,840 cannot be divided by just 1 and 109,840, it is not a prime number.