Q: Is 178,840 a Prime Number?
A: No, 178,840 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 178840 can be evenly divided by 1 2 4 5 8 10 17 20 34 40 68 85 136 170 263 340 526 680 1,052 1,315 2,104 2,630 4,471 5,260 8,942 10,520 17,884 22,355 35,768 44,710 89,420 and 178,840, with no remainder.
Since 178,840 cannot be divided by just 1 and 178,840, it is not a prime number.