Q: Is 628,800 a Prime Number?
A: No, 628,800 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 628800 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 131 150 160 192 200 240 262 300 320 393 400 480 524 600 655 786 800 960 1,048 1,200 1,310 1,572 1,600 1,965 2,096 2,400 2,620 3,144 3,275 3,930 4,192 4,800 5,240 6,288 6,550 7,860 8,384 9,825 10,480 12,576 13,100 15,720 19,650 20,960 25,152 26,200 31,440 39,300 41,920 52,400 62,880 78,600 104,800 125,760 157,200 209,600 314,400 and 628,800, with no remainder.
Since 628,800 cannot be divided by just 1 and 628,800, it is not a prime number.