Q: Is 7,278,900 a Composite Number?

Why is 7,278,900 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 7,278,900 can be evenly divided by 1 2 3 4 5 6 10 12 15 19 20 25 30 38 50 57 60 75 76 95 100 114 150 190 228 285 300 380 475 570 950 1,140 1,277 1,425 1,900 2,554 2,850 3,831 5,108 5,700 6,385 7,662 12,770 15,324 19,155 24,263 25,540 31,925 38,310 48,526 63,850 72,789 76,620 95,775 97,052 121,315 127,700 145,578 191,550 242,630 291,156 363,945 383,100 485,260 606,575 727,890 1,213,150 1,455,780 1,819,725 2,426,300 3,639,450 and 7,278,900, with no remainder.

Since 7,278,900 cannot be divided by just 1 and 7,278,900, 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).