Q: Is 1,121,680 a Prime Number?
A: No, 1,121,680 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 1121680 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 2,003 4,006 8,012 10,015 14,021 16,024 20,030 28,042 32,048 40,060 56,084 70,105 80,120 112,168 140,210 160,240 224,336 280,420 560,840 and 1,121,680, with no remainder.
Since 1,121,680 cannot be divided by just 1 and 1,121,680, it is not a prime number.