A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 5345200 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 23 25 28 35 40 46 50 56 70 80 83 92 100 112 115 140 161 166 175 184 200 230 280 322 332 350 368 400 415 460 560 575 581 644 664 700 805 830 920 1,150 1,162 1,288 1,328 1,400 1,610 1,660 1,840 1,909 2,075 2,300 2,324 2,576 2,800 2,905 3,220 3,320 3,818 4,025 4,150 4,600 4,648 5,810 6,440 6,640 7,636 8,050 8,300 9,200 9,296 9,545 11,620 12,880 13,363 14,525 15,272 16,100 16,600 19,090 23,240 26,726 29,050 30,544 32,200 33,200 38,180 46,480 47,725 53,452 58,100 64,400 66,815 76,360 95,450 106,904 116,200 133,630 152,720 190,900 213,808 232,400 267,260 334,075 381,800 534,520 668,150 763,600 1,069,040 1,336,300 2,672,600 and 5,345,200, with no remainder.
Since 5,345,200 cannot be divided by just 1 and 5,345,200, it is not a prime number.