Q: Is 171,500 a Prime Number?
A: No, 171,500 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 171500 can be evenly divided by 1 2 4 5 7 10 14 20 25 28 35 49 50 70 98 100 125 140 175 196 245 250 343 350 490 500 686 700 875 980 1,225 1,372 1,715 1,750 2,450 3,430 3,500 4,900 6,125 6,860 8,575 12,250 17,150 24,500 34,300 42,875 85,750 and 171,500, with no remainder.
Since 171,500 cannot be divided by just 1 and 171,500, it is not a prime number.