The number 4,250,064 can be evenly divided by 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 48 49 52 56 78 84 91 98 104 112 139 147 156 168 182 196 208 273 278 294 312 336 364 392 417 546 556 588 624 637 728 784 834 973 1,092 1,112 1,176 1,274 1,456 1,668 1,807 1,911 1,946 2,184 2,224 2,352 2,548 2,919 3,336 3,614 3,822 3,892 4,368 5,096 5,421 5,838 6,672 6,811 7,228 7,644 7,784 10,192 10,842 11,676 12,649 13,622 14,456 15,288 15,568 20,433 21,684 23,352 25,298 27,244 28,912 30,576 37,947 40,866 43,368 46,704 50,596 54,488 75,894 81,732 86,736 88,543 101,192 108,976 151,788 163,464 177,086 202,384 265,629 303,576 326,928 354,172 531,258 607,152 708,344 1,062,516 1,416,688 2,125,032 and 4,250,064, with no remainder.
Since 4,250,064 cannot be divided by just 1 and 4,250,064, it is a composite number.