Q: Is 3,957,720 a Composite Number?

Why is 3,957,720 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 3,957,720 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 43 52 59 60 65 78 86 104 118 120 129 130 156 172 177 195 215 236 258 260 295 312 344 354 390 430 472 516 520 559 590 645 708 767 780 860 885 1,032 1,118 1,180 1,290 1,416 1,534 1,560 1,677 1,720 1,770 2,236 2,301 2,360 2,537 2,580 2,795 3,068 3,354 3,540 3,835 4,472 4,602 5,074 5,160 5,590 6,136 6,708 7,080 7,611 7,670 8,385 9,204 10,148 11,180 11,505 12,685 13,416 15,222 15,340 16,770 18,408 20,296 22,360 23,010 25,370 30,444 30,680 32,981 33,540 38,055 46,020 50,740 60,888 65,962 67,080 76,110 92,040 98,943 101,480 131,924 152,220 164,905 197,886 263,848 304,440 329,810 395,772 494,715 659,620 791,544 989,430 1,319,240 1,978,860 and 3,957,720, with no remainder.

Since 3,957,720 cannot be divided by just 1 and 3,957,720, 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).