Q: Is 170,840 a Prime Number?
A: No, 170,840 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 170840 can be evenly divided by 1 2 4 5 8 10 20 40 4,271 8,542 17,084 21,355 34,168 42,710 85,420 and 170,840, with no remainder.
Since 170,840 cannot be divided by just 1 and 170,840, it is not a prime number.