Q: Is 771,128 a Prime Number?
A: No, 771,128 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 771128 can be evenly divided by 1 2 4 8 41 82 164 328 2,351 4,702 9,404 18,808 96,391 192,782 385,564 and 771,128, with no remainder.
Since 771,128 cannot be divided by just 1 and 771,128, it is not a prime number.