Q: Is 766,840 a Prime Number?
A: No, 766,840 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 766840 can be evenly divided by 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 1,009 2,018 4,036 5,045 8,072 10,090 19,171 20,180 38,342 40,360 76,684 95,855 153,368 191,710 383,420 and 766,840, with no remainder.
Since 766,840 cannot be divided by just 1 and 766,840, it is not a prime number.