Q: Is 775,840 a Prime Number?
A: No, 775,840 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 775840 can be evenly divided by 1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 208 260 373 416 520 746 1,040 1,492 1,865 2,080 2,984 3,730 4,849 5,968 7,460 9,698 11,936 14,920 19,396 24,245 29,840 38,792 48,490 59,680 77,584 96,980 155,168 193,960 387,920 and 775,840, with no remainder.
Since 775,840 cannot be divided by just 1 and 775,840, it is not a prime number.