Q: Is 2,159,820 a Composite Number?

Why is 2,159,820 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 2,159,820 can be evenly divided by 1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 71 78 90 117 130 142 156 169 180 195 213 234 260 284 338 355 390 426 468 507 585 639 676 710 780 845 852 923 1,014 1,065 1,170 1,278 1,420 1,521 1,690 1,846 2,028 2,130 2,340 2,535 2,556 2,769 3,042 3,195 3,380 3,692 4,260 4,615 5,070 5,538 6,084 6,390 7,605 8,307 9,230 10,140 11,076 11,999 12,780 13,845 15,210 16,614 18,460 23,998 27,690 30,420 33,228 35,997 41,535 47,996 55,380 59,995 71,994 83,070 107,991 119,990 143,988 166,140 179,985 215,982 239,980 359,970 431,964 539,955 719,940 1,079,910 and 2,159,820, with no remainder.

Since 2,159,820 cannot be divided by just 1 and 2,159,820, 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).