Q: Is 2,100,180 a Composite Number?

Why is 2,100,180 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 2,100,180 can be evenly divided by 1 2 3 4 5 6 10 12 15 17 20 29 30 34 51 58 60 68 71 85 87 102 116 142 145 170 174 204 213 255 284 290 340 348 355 426 435 493 510 580 710 852 870 986 1,020 1,065 1,207 1,420 1,479 1,740 1,972 2,059 2,130 2,414 2,465 2,958 3,621 4,118 4,260 4,828 4,930 5,916 6,035 6,177 7,242 7,395 8,236 9,860 10,295 12,070 12,354 14,484 14,790 18,105 20,590 24,140 24,708 29,580 30,885 35,003 36,210 41,180 61,770 70,006 72,420 105,009 123,540 140,012 175,015 210,018 350,030 420,036 525,045 700,060 1,050,090 and 2,100,180, with no remainder.

Since 2,100,180 cannot be divided by just 1 and 2,100,180, 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).