Q: Is 1,178,320 a Prime Number?
A: No, 1,178,320 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 1178320 can be evenly divided by 1 2 4 5 8 10 11 13 16 20 22 26 40 44 52 55 65 80 88 103 104 110 130 143 176 206 208 220 260 286 412 440 515 520 572 715 824 880 1,030 1,040 1,133 1,144 1,339 1,430 1,648 2,060 2,266 2,288 2,678 2,860 4,120 4,532 5,356 5,665 5,720 6,695 8,240 9,064 10,712 11,330 11,440 13,390 14,729 18,128 21,424 22,660 26,780 29,458 45,320 53,560 58,916 73,645 90,640 107,120 117,832 147,290 235,664 294,580 589,160 and 1,178,320, with no remainder.
Since 1,178,320 cannot be divided by just 1 and 1,178,320, it is not a prime number.