A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 4749500 can be evenly divided by 1 2 4 5 7 10 14 20 23 25 28 35 46 50 59 70 92 100 115 118 125 140 161 175 230 236 250 295 322 350 413 460 500 575 590 644 700 805 826 875 1,150 1,180 1,357 1,475 1,610 1,652 1,750 2,065 2,300 2,714 2,875 2,950 3,220 3,500 4,025 4,130 5,428 5,750 5,900 6,785 7,375 8,050 8,260 9,499 10,325 11,500 13,570 14,750 16,100 18,998 20,125 20,650 27,140 29,500 33,925 37,996 40,250 41,300 47,495 51,625 67,850 80,500 94,990 103,250 135,700 169,625 189,980 206,500 237,475 339,250 474,950 678,500 949,900 1,187,375 2,374,750 and 4,749,500, with no remainder.
Since 4,749,500 cannot be divided by just 1 and 4,749,500, it is not a prime number.