Q: Is 2,543,100 a Composite Number?

Why is 2,543,100 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 2,543,100 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 49 50 60 70 75 84 98 100 105 140 147 150 173 175 196 210 245 294 300 346 350 420 490 519 525 588 692 700 735 865 980 1,038 1,050 1,211 1,225 1,470 1,730 2,076 2,100 2,422 2,450 2,595 2,940 3,460 3,633 3,675 4,325 4,844 4,900 5,190 6,055 7,266 7,350 8,477 8,650 10,380 12,110 12,975 14,532 14,700 16,954 17,300 18,165 24,220 25,431 25,950 30,275 33,908 36,330 42,385 50,862 51,900 60,550 72,660 84,770 90,825 101,724 121,100 127,155 169,540 181,650 211,925 254,310 363,300 423,850 508,620 635,775 847,700 1,271,550 and 2,543,100, with no remainder.

Since 2,543,100 cannot be divided by just 1 and 2,543,100, 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).