Q: Is 771,440 a Prime Number?
A: No, 771,440 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 771440 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 9,643 19,286 38,572 48,215 77,144 96,430 154,288 192,860 385,720 and 771,440, with no remainder.
Since 771,440 cannot be divided by just 1 and 771,440, it is not a prime number.