Q: Is 2,278,100 a Composite Number?

Why is 2,278,100 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 2,278,100 can be evenly divided by 1 2 4 5 10 11 19 20 22 25 38 44 50 55 76 95 100 109 110 190 209 218 220 275 380 418 436 475 545 550 836 950 1,045 1,090 1,100 1,199 1,900 2,071 2,090 2,180 2,398 2,725 4,142 4,180 4,796 5,225 5,450 5,995 8,284 10,355 10,450 10,900 11,990 20,710 20,900 22,781 23,980 29,975 41,420 45,562 51,775 59,950 91,124 103,550 113,905 119,900 207,100 227,810 455,620 569,525 1,139,050 and 2,278,100, with no remainder.

Since 2,278,100 cannot be divided by just 1 and 2,278,100, 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).