Q: Is 1,018,500 a Composite Number?

Why is 1,018,500 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 1,018,500 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 70 75 84 97 100 105 125 140 150 175 194 210 250 291 300 350 375 388 420 485 500 525 582 679 700 750 875 970 1,050 1,164 1,358 1,455 1,500 1,750 1,940 2,037 2,100 2,425 2,625 2,716 2,910 3,395 3,500 4,074 4,850 5,250 5,820 6,790 7,275 8,148 9,700 10,185 10,500 12,125 13,580 14,550 16,975 20,370 24,250 29,100 33,950 36,375 40,740 48,500 50,925 67,900 72,750 84,875 101,850 145,500 169,750 203,700 254,625 339,500 509,250 and 1,018,500, with no remainder.

Since 1,018,500 cannot be divided by just 1 and 1,018,500, 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).