A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 5380830 can be evenly divided by 1 2 3 5 6 7 9 10 13 14 15 18 21 26 27 30 35 39 42 45 54 63 65 70 73 78 81 90 91 105 117 126 130 135 146 162 182 189 195 210 219 234 270 273 315 351 365 378 390 405 438 455 511 546 567 585 630 657 702 730 810 819 910 945 949 1,022 1,053 1,095 1,134 1,170 1,314 1,365 1,533 1,638 1,755 1,890 1,898 1,971 2,106 2,190 2,457 2,555 2,730 2,835 2,847 3,066 3,285 3,510 3,942 4,095 4,599 4,745 4,914 5,110 5,265 5,670 5,694 5,913 6,570 6,643 7,371 7,665 8,190 8,541 9,198 9,490 9,855 10,530 11,826 12,285 13,286 13,797 14,235 14,742 15,330 17,082 19,710 19,929 22,995 24,570 25,623 27,594 28,470 29,565 33,215 36,855 39,858 41,391 42,705 45,990 51,246 59,130 59,787 66,430 68,985 73,710 76,869 82,782 85,410 99,645 119,574 128,115 137,970 153,738 179,361 199,290 206,955 256,230 298,935 358,722 384,345 413,910 538,083 597,870 768,690 896,805 1,076,166 1,793,610 2,690,415 and 5,380,830, with no remainder.
Since 5,380,830 cannot be divided by just 1 and 5,380,830, it is not a prime number.