Q: Is 840,500 a Prime Number?
A: No, 840,500 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 840500 can be evenly divided by 1 2 4 5 10 20 25 41 50 82 100 125 164 205 250 410 500 820 1,025 1,681 2,050 3,362 4,100 5,125 6,724 8,405 10,250 16,810 20,500 33,620 42,025 84,050 168,100 210,125 420,250 and 840,500, with no remainder.
Since 840,500 cannot be divided by just 1 and 840,500, it is not a prime number.