Q: Is 7,779,540 a Composite Number?

Why is 7,779,540 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 7,779,540 can be evenly divided by 1 2 3 4 5 6 10 12 15 17 20 29 30 34 51 58 60 68 85 87 102 116 145 170 174 204 255 263 290 340 348 435 493 510 526 580 789 870 986 1,020 1,052 1,315 1,479 1,578 1,740 1,972 2,465 2,630 2,958 3,156 3,945 4,471 4,930 5,260 5,916 7,395 7,627 7,890 8,942 9,860 13,413 14,790 15,254 15,780 17,884 22,355 22,881 26,826 29,580 30,508 38,135 44,710 45,762 53,652 67,065 76,270 89,420 91,524 114,405 129,659 134,130 152,540 228,810 259,318 268,260 388,977 457,620 518,636 648,295 777,954 1,296,590 1,555,908 1,944,885 2,593,180 3,889,770 and 7,779,540, with no remainder.

Since 7,779,540 cannot be divided by just 1 and 7,779,540, 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).