Q: Is 305,550 a Composite Number?

Why is 305,550 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 305,550 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 25 30 35 42 45 50 63 70 75 90 97 105 126 150 175 194 210 225 291 315 350 450 485 525 582 630 679 873 970 1,050 1,358 1,455 1,575 1,746 2,037 2,425 2,910 3,150 3,395 4,074 4,365 4,850 6,111 6,790 7,275 8,730 10,185 12,222 14,550 16,975 20,370 21,825 30,555 33,950 43,650 50,925 61,110 101,850 152,775 and 305,550, with no remainder.

Since 305,550 cannot be divided by just 1 and 305,550, 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).