Q: Is 765,840 a Prime Number?
A: No, 765,840 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 765840 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 3,191 6,382 9,573 12,764 15,955 19,146 25,528 31,910 38,292 47,865 51,056 63,820 76,584 95,730 127,640 153,168 191,460 255,280 382,920 and 765,840, with no remainder.
Since 765,840 cannot be divided by just 1 and 765,840, it is not a prime number.