Q: Is 172,880 a Prime Number?
A: No, 172,880 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 172880 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 2,161 4,322 8,644 10,805 17,288 21,610 34,576 43,220 86,440 and 172,880, with no remainder.
Since 172,880 cannot be divided by just 1 and 172,880, it is not a prime number.