Q: Is 771,020 a Prime Number?
A: No, 771,020 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 771020 can be evenly divided by 1 2 4 5 10 19 20 38 76 95 190 380 2,029 4,058 8,116 10,145 20,290 38,551 40,580 77,102 154,204 192,755 385,510 and 771,020, with no remainder.
Since 771,020 cannot be divided by just 1 and 771,020, it is not a prime number.