Q: Is 850,840 a Prime Number?
A: No, 850,840 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 850840 can be evenly divided by 1 2 4 5 8 10 20 40 89 178 239 356 445 478 712 890 956 1,195 1,780 1,912 2,390 3,560 4,780 9,560 21,271 42,542 85,084 106,355 170,168 212,710 425,420 and 850,840, with no remainder.
Since 850,840 cannot be divided by just 1 and 850,840, it is not a prime number.