Q: Is 2,211,220 a Composite Number?

Why is 2,211,220 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 2,211,220 can be evenly divided by 1 2 4 5 10 11 19 20 22 23 38 44 46 55 76 92 95 110 115 190 209 220 230 253 380 418 437 460 506 529 836 874 1,012 1,045 1,058 1,265 1,748 2,090 2,116 2,185 2,530 2,645 4,180 4,370 4,807 5,060 5,290 5,819 8,740 9,614 10,051 10,580 11,638 19,228 20,102 23,276 24,035 29,095 40,204 48,070 50,255 58,190 96,140 100,510 110,561 116,380 201,020 221,122 442,244 552,805 1,105,610 and 2,211,220, with no remainder.

Since 2,211,220 cannot be divided by just 1 and 2,211,220, 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).