Q: Is 2,188,900 a Composite Number?

Why is 2,188,900 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 2,188,900 can be evenly divided by 1 2 4 5 7 10 14 20 25 28 35 50 53 59 70 100 106 118 140 175 212 236 265 295 350 371 413 530 590 700 742 826 1,060 1,180 1,325 1,475 1,484 1,652 1,855 2,065 2,650 2,950 3,127 3,710 4,130 5,300 5,900 6,254 7,420 8,260 9,275 10,325 12,508 15,635 18,550 20,650 21,889 31,270 37,100 41,300 43,778 62,540 78,175 87,556 109,445 156,350 218,890 312,700 437,780 547,225 1,094,450 and 2,188,900, with no remainder.

Since 2,188,900 cannot be divided by just 1 and 2,188,900, 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).