A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 3416000 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 61 64 70 80 100 112 122 125 140 160 175 200 224 244 250 280 305 320 350 400 427 448 488 500 560 610 700 800 854 875 976 1,000 1,120 1,220 1,400 1,525 1,600 1,708 1,750 1,952 2,000 2,135 2,240 2,440 2,800 3,050 3,416 3,500 3,904 4,000 4,270 4,880 5,600 6,100 6,832 7,000 7,625 8,000 8,540 9,760 10,675 11,200 12,200 13,664 14,000 15,250 17,080 19,520 21,350 24,400 27,328 28,000 30,500 34,160 42,700 48,800 53,375 56,000 61,000 68,320 85,400 97,600 106,750 122,000 136,640 170,800 213,500 244,000 341,600 427,000 488,000 683,200 854,000 1,708,000 and 3,416,000, with no remainder.
Since 3,416,000 cannot be divided by just 1 and 3,416,000, it is not a prime number.