Q: Is 4,242,420 a Composite Number?

Why is 4,242,420 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 4,242,420 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 28 30 35 36 37 39 42 45 49 52 60 63 65 70 74 78 84 90 91 98 105 111 117 126 130 140 147 148 156 180 182 185 195 196 210 222 234 245 252 259 260 273 294 315 333 364 370 390 420 441 444 455 468 481 490 518 546 555 585 588 630 637 666 735 740 777 780 819 882 910 962 980 1,036 1,092 1,110 1,170 1,260 1,274 1,295 1,332 1,365 1,443 1,470 1,554 1,638 1,665 1,764 1,813 1,820 1,911 1,924 2,205 2,220 2,331 2,340 2,405 2,548 2,590 2,730 2,886 2,940 3,108 3,185 3,276 3,330 3,367 3,626 3,822 3,885 4,095 4,329 4,410 4,662 4,810 5,180 5,439 5,460 5,733 5,772 6,370 6,660 6,734 7,215 7,252 7,644 7,770 8,190 8,658 8,820 9,065 9,324 9,555 9,620 10,101 10,878 11,466 11,655 12,740 13,468 14,430 15,540 16,317 16,380 16,835 17,316 18,130 19,110 20,202 21,645 21,756 22,932 23,310 23,569 27,195 28,665 28,860 30,303 32,634 33,670 36,260 38,220 40,404 43,290 46,620 47,138 50,505 54,390 57,330 60,606 65,268 67,340 70,707 81,585 86,580 94,276 101,010 108,780 114,660 117,845 121,212 141,414 151,515 163,170 202,020 212,121 235,690 282,828 303,030 326,340 353,535 424,242 471,380 606,060 707,070 848,484 1,060,605 1,414,140 2,121,210 and 4,242,420, with no remainder.

Since 4,242,420 cannot be divided by just 1 and 4,242,420, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).