Q: Is 1,428,800 a Prime Number?
A: No, 1,428,800 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 1428800 can be evenly divided by 1 2 4 5 8 10 16 19 20 25 32 38 40 47 50 64 76 80 94 95 100 152 160 188 190 200 235 304 320 376 380 400 470 475 608 752 760 800 893 940 950 1,175 1,216 1,504 1,520 1,600 1,786 1,880 1,900 2,350 3,008 3,040 3,572 3,760 3,800 4,465 4,700 6,080 7,144 7,520 7,600 8,930 9,400 14,288 15,040 15,200 17,860 18,800 22,325 28,576 30,400 35,720 37,600 44,650 57,152 71,440 75,200 89,300 142,880 178,600 285,760 357,200 714,400 and 1,428,800, with no remainder.
Since 1,428,800 cannot be divided by just 1 and 1,428,800, it is not a prime number.