A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 4610100 can be evenly divided by 1 2 3 4 5 6 10 11 12 15 20 22 25 30 33 44 50 55 60 66 75 100 110 121 127 132 150 165 220 242 254 275 300 330 363 381 484 508 550 605 635 660 726 762 825 1,100 1,210 1,270 1,397 1,452 1,524 1,650 1,815 1,905 2,420 2,540 2,794 3,025 3,175 3,300 3,630 3,810 4,191 5,588 6,050 6,350 6,985 7,260 7,620 8,382 9,075 9,525 12,100 12,700 13,970 15,367 16,764 18,150 19,050 20,955 27,940 30,734 34,925 36,300 38,100 41,910 46,101 61,468 69,850 76,835 83,820 92,202 104,775 139,700 153,670 184,404 209,550 230,505 307,340 384,175 419,100 461,010 768,350 922,020 1,152,525 1,536,700 2,305,050 and 4,610,100, with no remainder.
Since 4,610,100 cannot be divided by just 1 and 4,610,100, it is not a prime number.