Q: Is 1,142,400 a Prime Number?
A: No, 1,142,400 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 1142400 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 32 34 35 40 42 48 50 51 56 60 64 68 70 75 80 84 85 96 100 102 105 112 119 120 128 136 140 150 160 168 170 175 192 200 204 210 224 238 240 255 272 280 300 320 336 340 350 357 384 400 408 420 425 448 476 480 510 525 544 560 595 600 640 672 680 700 714 800 816 840 850 896 952 960 1,020 1,050 1,088 1,120 1,190 1,200 1,275 1,344 1,360 1,400 1,428 1,600 1,632 1,680 1,700 1,785 1,904 1,920 2,040 2,100 2,176 2,240 2,380 2,400 2,550 2,688 2,720 2,800 2,856 2,975 3,200 3,264 3,360 3,400 3,570 3,808 4,080 4,200 4,480 4,760 4,800 5,100 5,440 5,600 5,712 5,950 6,528 6,720 6,800 7,140 7,616 8,160 8,400 8,925 9,520 9,600 10,200 10,880 11,200 11,424 11,900 13,440 13,600 14,280 15,232 16,320 16,800 17,850 19,040 20,400 22,400 22,848 23,800 27,200 28,560 32,640 33,600 35,700 38,080 40,800 45,696 47,600 54,400 57,120 67,200 71,400 76,160 81,600 95,200 114,240 142,800 163,200 190,400 228,480 285,600 380,800 571,200 and 1,142,400, with no remainder.
Since 1,142,400 cannot be divided by just 1 and 1,142,400, it is not a prime number.