Q: Is 3,939,390 a Composite Number?

Why is 3,939,390 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 3,939,390 can be evenly divided by 1 2 3 5 6 7 9 10 13 14 15 18 21 26 30 35 37 39 42 45 63 65 70 74 78 90 91 105 111 117 126 130 169 182 185 195 210 222 234 259 273 315 333 338 370 390 455 481 507 518 546 555 585 630 666 777 819 845 910 962 1,014 1,110 1,170 1,183 1,295 1,365 1,443 1,521 1,554 1,638 1,665 1,690 2,331 2,366 2,405 2,535 2,590 2,730 2,886 3,042 3,330 3,367 3,549 3,885 4,095 4,329 4,662 4,810 5,070 5,915 6,253 6,734 7,098 7,215 7,605 7,770 8,190 8,658 10,101 10,647 11,655 11,830 12,506 14,430 15,210 16,835 17,745 18,759 20,202 21,294 21,645 23,310 30,303 31,265 33,670 35,490 37,518 43,290 43,771 50,505 53,235 56,277 60,606 62,530 87,542 93,795 101,010 106,470 112,554 131,313 151,515 187,590 218,855 262,626 281,385 303,030 393,939 437,710 562,770 656,565 787,878 1,313,130 1,969,695 and 3,939,390, with no remainder.

Since 3,939,390 cannot be divided by just 1 and 3,939,390, 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).