Q: Is 766,720 a Prime Number?
A: No, 766,720 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 766720 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 599 640 1,198 1,280 2,396 2,995 4,792 5,990 9,584 11,980 19,168 23,960 38,336 47,920 76,672 95,840 153,344 191,680 383,360 and 766,720, with no remainder.
Since 766,720 cannot be divided by just 1 and 766,720, it is not a prime number.