Q: Is 1,205,120 a Prime Number?
A: No, 1,205,120 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 1205120 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 269 280 320 448 538 560 640 896 1,076 1,120 1,345 1,883 2,152 2,240 2,690 3,766 4,304 4,480 5,380 7,532 8,608 9,415 10,760 15,064 17,216 18,830 21,520 30,128 34,432 37,660 43,040 60,256 75,320 86,080 120,512 150,640 172,160 241,024 301,280 602,560 and 1,205,120, with no remainder.
Since 1,205,120 cannot be divided by just 1 and 1,205,120, it is not a prime number.