Q: Is 491,400 a Prime Number?
A: No, 491,400 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 491400 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 13 14 15 18 20 21 24 25 26 27 28 30 35 36 39 40 42 45 50 52 54 56 60 63 65 70 72 75 78 84 90 91 100 104 105 108 117 120 126 130 135 140 150 156 168 175 180 182 189 195 200 210 216 225 234 252 260 270 273 280 300 312 315 325 350 351 360 364 378 390 420 450 455 468 504 520 525 540 546 585 600 630 650 675 700 702 728 756 780 819 840 900 910 936 945 975 1,050 1,080 1,092 1,170 1,260 1,300 1,350 1,365 1,400 1,404 1,512 1,560 1,575 1,638 1,755 1,800 1,820 1,890 1,950 2,100 2,184 2,275 2,340 2,457 2,520 2,600 2,700 2,730 2,808 2,925 3,150 3,276 3,510 3,640 3,780 3,900 4,095 4,200 4,550 4,680 4,725 4,914 5,400 5,460 5,850 6,300 6,552 6,825 7,020 7,560 7,800 8,190 8,775 9,100 9,450 9,828 10,920 11,700 12,285 12,600 13,650 14,040 16,380 17,550 18,200 18,900 19,656 20,475 23,400 24,570 27,300 32,760 35,100 37,800 40,950 49,140 54,600 61,425 70,200 81,900 98,280 122,850 163,800 245,700 and 491,400, with no remainder.
Since 491,400 cannot be divided by just 1 and 491,400, it is not a prime number.