Q: Is 555,120 a Prime Number?
A: No, 555,120 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 555120 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 90 108 120 135 144 180 216 240 257 270 360 432 514 540 720 771 1,028 1,080 1,285 1,542 2,056 2,160 2,313 2,570 3,084 3,855 4,112 4,626 5,140 6,168 6,939 7,710 9,252 10,280 11,565 12,336 13,878 15,420 18,504 20,560 23,130 27,756 30,840 34,695 37,008 46,260 55,512 61,680 69,390 92,520 111,024 138,780 185,040 277,560 and 555,120, with no remainder.
Since 555,120 cannot be divided by just 1 and 555,120, it is not a prime number.