The number 6,357,000 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 20 24 25 26 30 39 40 50 52 60 65 75 78 100 104 120 125 130 150 156 163 195 200 250 260 300 312 325 326 375 390 489 500 520 600 650 652 750 780 815 975 978 1,000 1,300 1,304 1,500 1,560 1,625 1,630 1,950 1,956 2,119 2,445 2,600 3,000 3,250 3,260 3,900 3,912 4,075 4,238 4,875 4,890 6,357 6,500 6,520 7,800 8,150 8,476 9,750 9,780 10,595 12,225 12,714 13,000 16,300 16,952 19,500 19,560 20,375 21,190 24,450 25,428 31,785 32,600 39,000 40,750 42,380 48,900 50,856 52,975 61,125 63,570 81,500 84,760 97,800 105,950 122,250 127,140 158,925 163,000 211,900 244,500 254,280 264,875 317,850 423,800 489,000 529,750 635,700 794,625 1,059,500 1,271,400 1,589,250 2,119,000 3,178,500 and 6,357,000, with no remainder.
Since 6,357,000 cannot be divided by just 1 and 6,357,000, it is a composite number.