Q: Is 221,013,100 a Composite Number?

Why is 221,013,100 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 221,013,100 can be evenly divided by 1 2 4 5 7 10 11 14 20 22 25 28 35 44 50 55 70 77 100 110 140 154 175 220 275 308 350 385 550 700 770 1,100 1,540 1,925 3,850 7,700 28,703 57,406 114,812 143,515 200,921 287,030 315,733 401,842 574,060 631,466 717,575 803,684 1,004,605 1,262,932 1,435,150 1,578,665 2,009,210 2,210,131 2,870,300 3,157,330 4,018,420 4,420,262 5,023,025 6,314,660 7,893,325 8,840,524 10,046,050 11,050,655 15,786,650 20,092,100 22,101,310 31,573,300 44,202,620 55,253,275 110,506,550 and 221,013,100, with no remainder.

Since 221,013,100 cannot be divided by just 1 and 221,013,100, 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).