Q: Is 871,000 a Prime Number?
A: No, 871,000 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 871000 can be evenly divided by 1 2 4 5 8 10 13 20 25 26 40 50 52 65 67 100 104 125 130 134 200 250 260 268 325 335 500 520 536 650 670 871 1,000 1,300 1,340 1,625 1,675 1,742 2,600 2,680 3,250 3,350 3,484 4,355 6,500 6,700 6,968 8,375 8,710 13,000 13,400 16,750 17,420 21,775 33,500 34,840 43,550 67,000 87,100 108,875 174,200 217,750 435,500 and 871,000, with no remainder.
Since 871,000 cannot be divided by just 1 and 871,000, it is not a prime number.