A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 5688360 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 23 24 27 30 36 40 45 46 54 60 69 72 90 92 108 115 120 135 138 180 184 207 216 229 230 270 276 345 360 414 458 460 540 552 621 687 690 828 916 920 1,035 1,080 1,145 1,242 1,374 1,380 1,656 1,832 2,061 2,070 2,290 2,484 2,748 2,760 3,105 3,435 4,122 4,140 4,580 4,968 5,267 5,496 6,183 6,210 6,870 8,244 8,280 9,160 10,305 10,534 12,366 12,420 13,740 15,801 16,488 20,610 21,068 24,732 24,840 26,335 27,480 30,915 31,602 41,220 42,136 47,403 49,464 52,670 61,830 63,204 79,005 82,440 94,806 105,340 123,660 126,408 142,209 158,010 189,612 210,680 237,015 247,320 284,418 316,020 379,224 474,030 568,836 632,040 711,045 948,060 1,137,672 1,422,090 1,896,120 2,844,180 and 5,688,360, with no remainder.
Since 5,688,360 cannot be divided by just 1 and 5,688,360, it is not a prime number.