Q: Is 5,120,640 a Prime Number?
A: No, 5,120,640 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 5120640 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 63 64 70 72 80 84 90 96 105 112 120 126 127 128 140 144 160 168 180 192 210 224 240 252 254 280 288 315 320 336 360 381 384 420 448 480 504 508 560 576 630 635 640 672 720 762 840 889 896 960 1,008 1,016 1,120 1,143 1,152 1,260 1,270 1,344 1,440 1,524 1,680 1,778 1,905 1,920 2,016 2,032 2,240 2,286 2,520 2,540 2,667 2,688 2,880 3,048 3,360 3,556 3,810 4,032 4,064 4,445 4,480 4,572 5,040 5,080 5,334 5,715 5,760 6,096 6,720 7,112 7,620 8,001 8,064 8,128 8,890 9,144 10,080 10,160 10,668 11,430 12,192 13,335 13,440 14,224 15,240 16,002 16,256 17,780 18,288 20,160 20,320 21,336 22,860 24,384 26,670 28,448 30,480 32,004 35,560 36,576 40,005 40,320 40,640 42,672 45,720 48,768 53,340 56,896 60,960 64,008 71,120 73,152 80,010 81,280 85,344 91,440 106,680 113,792 121,920 128,016 142,240 146,304 160,020 170,688 182,880 213,360 243,840 256,032 284,480 320,040 341,376 365,760 426,720 512,064 568,960 640,080 731,520 853,440 1,024,128 1,280,160 1,706,880 2,560,320 and 5,120,640, with no remainder.
Since 5,120,640 cannot be divided by just 1 and 5,120,640, it is not a prime number.