Q: Is 17,840 a Prime Number?
A: No, 17,840 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 17840 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 223 446 892 1,115 1,784 2,230 3,568 4,460 8,920 and 17,840, with no remainder.
Since 17,840 cannot be divided by just 1 and 17,840, it is not a prime number.