Q: Is 776,320 a Prime Number?
A: No, 776,320 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 776320 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 1,213 2,426 4,852 6,065 9,704 12,130 19,408 24,260 38,816 48,520 77,632 97,040 155,264 194,080 388,160 and 776,320, with no remainder.
Since 776,320 cannot be divided by just 1 and 776,320, it is not a prime number.