A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 4329000 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 25 26 30 36 37 39 40 45 50 52 60 65 72 74 75 78 90 100 104 111 117 120 125 130 148 150 156 180 185 195 200 222 225 234 250 260 296 300 312 325 333 360 370 375 390 444 450 468 481 500 520 555 585 600 650 666 740 750 780 888 900 925 936 962 975 1,000 1,110 1,125 1,170 1,300 1,332 1,443 1,480 1,500 1,560 1,625 1,665 1,800 1,850 1,924 1,950 2,220 2,250 2,340 2,405 2,600 2,664 2,775 2,886 2,925 3,000 3,250 3,330 3,700 3,848 3,900 4,329 4,440 4,500 4,625 4,680 4,810 4,875 5,550 5,772 5,850 6,500 6,660 7,215 7,400 7,800 8,325 8,658 9,000 9,250 9,620 9,750 11,100 11,544 11,700 12,025 13,000 13,320 13,875 14,430 14,625 16,650 17,316 18,500 19,240 19,500 21,645 22,200 23,400 24,050 27,750 28,860 29,250 33,300 34,632 36,075 37,000 39,000 41,625 43,290 48,100 55,500 57,720 58,500 60,125 66,600 72,150 83,250 86,580 96,200 108,225 111,000 117,000 120,250 144,300 166,500 173,160 180,375 216,450 240,500 288,600 333,000 360,750 432,900 481,000 541,125 721,500 865,800 1,082,250 1,443,000 2,164,500 and 4,329,000, with no remainder.
Since 4,329,000 cannot be divided by just 1 and 4,329,000, it is not a prime number.