Q: Is 1,200,800 a Prime Number?
A: No, 1,200,800 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 1200800 can be evenly divided by 1 2 4 5 8 10 16 19 20 25 32 38 40 50 76 79 80 95 100 152 158 160 190 200 304 316 380 395 400 475 608 632 760 790 800 950 1,264 1,501 1,520 1,580 1,900 1,975 2,528 3,002 3,040 3,160 3,800 3,950 6,004 6,320 7,505 7,600 7,900 12,008 12,640 15,010 15,200 15,800 24,016 30,020 31,600 37,525 48,032 60,040 63,200 75,050 120,080 150,100 240,160 300,200 600,400 and 1,200,800, with no remainder.
Since 1,200,800 cannot be divided by just 1 and 1,200,800, it is not a prime number.