A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 8669160 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 92 108 115 120 135 138 180 184 207 216 230 270 276 345 349 360 414 460 540 552 621 690 698 828 920 1,035 1,047 1,080 1,242 1,380 1,396 1,656 1,745 2,070 2,094 2,484 2,760 2,792 3,105 3,141 3,490 4,140 4,188 4,968 5,235 6,210 6,282 6,980 8,027 8,280 8,376 9,423 10,470 12,420 12,564 13,960 15,705 16,054 18,846 20,940 24,081 24,840 25,128 31,410 32,108 37,692 40,135 41,880 47,115 48,162 62,820 64,216 72,243 75,384 80,270 94,230 96,324 120,405 125,640 144,486 160,540 188,460 192,648 216,729 240,810 288,972 321,080 361,215 376,920 433,458 481,620 577,944 722,430 866,916 963,240 1,083,645 1,444,860 1,733,832 2,167,290 2,889,720 4,334,580 and 8,669,160, with no remainder.
Since 8,669,160 cannot be divided by just 1 and 8,669,160, it is not a prime number.