Q: Is 142,800 a Prime Number?
A: No, 142,800 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 142800 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 16 17 20 21 24 25 28 30 34 35 40 42 48 50 51 56 60 68 70 75 80 84 85 100 102 105 112 119 120 136 140 150 168 170 175 200 204 210 238 240 255 272 280 300 336 340 350 357 400 408 420 425 476 510 525 560 595 600 680 700 714 816 840 850 952 1,020 1,050 1,190 1,200 1,275 1,360 1,400 1,428 1,680 1,700 1,785 1,904 2,040 2,100 2,380 2,550 2,800 2,856 2,975 3,400 3,570 4,080 4,200 4,760 5,100 5,712 5,950 6,800 7,140 8,400 8,925 9,520 10,200 11,900 14,280 17,850 20,400 23,800 28,560 35,700 47,600 71,400 and 142,800, with no remainder.
Since 142,800 cannot be divided by just 1 and 142,800, it is not a prime number.