A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 4970800 can be evenly divided by 1 2 4 5 8 10 16 17 20 25 34 40 43 50 68 80 85 86 100 136 170 172 200 215 272 289 340 344 400 425 430 578 680 688 731 850 860 1,075 1,156 1,360 1,445 1,462 1,700 1,720 2,150 2,312 2,890 2,924 3,400 3,440 3,655 4,300 4,624 5,780 5,848 6,800 7,225 7,310 8,600 11,560 11,696 12,427 14,450 14,620 17,200 18,275 23,120 24,854 28,900 29,240 36,550 49,708 57,800 58,480 62,135 73,100 99,416 115,600 124,270 146,200 198,832 248,540 292,400 310,675 497,080 621,350 994,160 1,242,700 2,485,400 and 4,970,800, with no remainder.
Since 4,970,800 cannot be divided by just 1 and 4,970,800, it is not a prime number.