Q: Is 774,820 a Prime Number?
A: No, 774,820 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 774820 can be evenly divided by 1 2 4 5 10 19 20 38 76 95 190 380 2,039 4,078 8,156 10,195 20,390 38,741 40,780 77,482 154,964 193,705 387,410 and 774,820, with no remainder.
Since 774,820 cannot be divided by just 1 and 774,820, it is not a prime number.