A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 4957260 can be evenly divided by 1 2 3 4 5 6 7 10 11 12 14 15 20 21 22 28 29 30 33 35 37 42 44 55 58 60 66 70 74 77 84 87 105 110 111 116 132 140 145 148 154 165 174 185 203 210 220 222 231 259 290 308 319 330 348 370 385 406 407 420 435 444 462 518 555 580 609 638 660 740 770 777 812 814 870 924 957 1,015 1,036 1,073 1,110 1,155 1,218 1,221 1,276 1,295 1,540 1,554 1,595 1,628 1,740 1,914 2,030 2,035 2,146 2,220 2,233 2,310 2,436 2,442 2,590 2,849 3,045 3,108 3,190 3,219 3,828 3,885 4,060 4,070 4,292 4,466 4,620 4,785 4,884 5,180 5,365 5,698 6,090 6,105 6,380 6,438 6,699 7,511 7,770 8,140 8,547 8,932 9,570 10,730 11,165 11,396 11,803 12,180 12,210 12,876 13,398 14,245 15,022 15,540 16,095 17,094 19,140 21,460 22,330 22,533 23,606 24,420 26,796 28,490 30,044 32,190 33,495 34,188 35,409 37,555 42,735 44,660 45,066 47,212 56,980 59,015 64,380 66,990 70,818 75,110 82,621 85,470 90,132 112,665 118,030 133,980 141,636 150,220 165,242 170,940 177,045 225,330 236,060 247,863 330,484 354,090 413,105 450,660 495,726 708,180 826,210 991,452 1,239,315 1,652,420 2,478,630 and 4,957,260, with no remainder.
Since 4,957,260 cannot be divided by just 1 and 4,957,260, it is not a prime number.