Q: Is 7,471,275 a Composite Number?

Why is 7,471,275 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 7,471,275 can be evenly divided by 1 3 5 7 15 19 21 25 35 49 57 75 95 105 107 133 147 175 245 285 321 399 475 525 535 665 735 749 931 1,225 1,425 1,605 1,995 2,033 2,247 2,675 2,793 3,325 3,675 3,745 4,655 5,243 6,099 8,025 9,975 10,165 11,235 13,965 14,231 15,729 18,725 23,275 26,215 30,495 42,693 50,825 56,175 69,825 71,155 78,645 99,617 131,075 152,475 213,465 298,851 355,775 393,225 498,085 1,067,325 1,494,255 2,490,425 and 7,471,275, with no remainder.

Since 7,471,275 cannot be divided by just 1 and 7,471,275, 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).