Q: Is 843,000 a Prime Number?
A: No, 843,000 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 843000 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 250 281 300 375 500 562 600 750 843 1,000 1,124 1,405 1,500 1,686 2,248 2,810 3,000 3,372 4,215 5,620 6,744 7,025 8,430 11,240 14,050 16,860 21,075 28,100 33,720 35,125 42,150 56,200 70,250 84,300 105,375 140,500 168,600 210,750 281,000 421,500 and 843,000, with no remainder.
Since 843,000 cannot be divided by just 1 and 843,000, it is not a prime number.