A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 4650100 can be evenly divided by 1 2 4 5 7 10 13 14 20 25 26 28 35 49 50 52 65 70 73 91 98 100 130 140 146 175 182 196 245 260 292 325 350 364 365 455 490 511 637 650 700 730 910 949 980 1,022 1,225 1,274 1,300 1,460 1,820 1,825 1,898 2,044 2,275 2,450 2,548 2,555 3,185 3,577 3,650 3,796 4,550 4,745 4,900 5,110 6,370 6,643 7,154 7,300 9,100 9,490 10,220 12,740 12,775 13,286 14,308 15,925 17,885 18,980 23,725 25,550 26,572 31,850 33,215 35,770 46,501 47,450 51,100 63,700 66,430 71,540 89,425 93,002 94,900 132,860 166,075 178,850 186,004 232,505 332,150 357,700 465,010 664,300 930,020 1,162,525 2,325,050 and 4,650,100, with no remainder.
Since 4,650,100 cannot be divided by just 1 and 4,650,100, it is not a prime number.