Q: Is 776,400 a Prime Number?
A: No, 776,400 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 776400 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 400 600 647 1,200 1,294 1,941 2,588 3,235 3,882 5,176 6,470 7,764 9,705 10,352 12,940 15,528 16,175 19,410 25,880 31,056 32,350 38,820 48,525 51,760 64,700 77,640 97,050 129,400 155,280 194,100 258,800 388,200 and 776,400, with no remainder.
Since 776,400 cannot be divided by just 1 and 776,400, it is not a prime number.