Q: Is 1,977,525 a Composite Number?

Why is 1,977,525 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 1,977,525 can be evenly divided by 1 3 5 9 11 15 17 25 33 45 47 51 55 75 85 99 141 153 165 187 225 235 255 275 423 425 495 517 561 705 765 799 825 935 1,175 1,275 1,551 1,683 2,115 2,397 2,475 2,585 2,805 3,525 3,825 3,995 4,653 4,675 7,191 7,755 8,415 8,789 10,575 11,985 12,925 14,025 19,975 23,265 26,367 35,955 38,775 42,075 43,945 59,925 79,101 116,325 131,835 179,775 219,725 395,505 659,175 and 1,977,525, with no remainder.

Since 1,977,525 cannot be divided by just 1 and 1,977,525, 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).