Q: Is 171,808 a Prime Number?
A: No, 171,808 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 171808 can be evenly divided by 1 2 4 7 8 13 14 16 26 28 32 52 56 59 91 104 112 118 182 208 224 236 364 413 416 472 728 767 826 944 1,456 1,534 1,652 1,888 2,912 3,068 3,304 5,369 6,136 6,608 10,738 12,272 13,216 21,476 24,544 42,952 85,904 and 171,808, with no remainder.
Since 171,808 cannot be divided by just 1 and 171,808, it is not a prime number.