Q: Is 1,225,800 a Composite Number?

Why is 1,225,800 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 1,225,800 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 27 30 36 40 45 50 54 60 72 75 90 100 108 120 135 150 180 200 216 225 227 270 300 360 450 454 540 600 675 681 900 908 1,080 1,135 1,350 1,362 1,800 1,816 2,043 2,270 2,700 2,724 3,405 4,086 4,540 5,400 5,448 5,675 6,129 6,810 8,172 9,080 10,215 11,350 12,258 13,620 16,344 17,025 20,430 22,700 24,516 27,240 30,645 34,050 40,860 45,400 49,032 51,075 61,290 68,100 81,720 102,150 122,580 136,200 153,225 204,300 245,160 306,450 408,600 612,900 and 1,225,800, with no remainder.

Since 1,225,800 cannot be divided by just 1 and 1,225,800, 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).