Q: Is 6,427,575 a Composite Number?

Why is 6,427,575 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 6,427,575 can be evenly divided by 1 3 5 7 9 11 15 21 25 33 35 45 49 53 55 63 75 77 99 105 147 159 165 175 225 231 245 265 275 315 371 385 441 477 495 525 539 583 693 735 795 825 1,113 1,155 1,225 1,325 1,575 1,617 1,749 1,855 1,925 2,205 2,385 2,475 2,597 2,695 2,915 3,339 3,465 3,675 3,975 4,081 4,851 5,247 5,565 5,775 7,791 8,085 8,745 9,275 11,025 11,925 12,243 12,985 13,475 14,575 16,695 17,325 20,405 23,373 24,255 26,235 27,825 28,567 36,729 38,955 40,425 43,725 61,215 64,925 83,475 85,701 102,025 116,865 121,275 131,175 142,835 183,645 194,775 257,103 306,075 428,505 584,325 714,175 918,225 1,285,515 2,142,525 and 6,427,575, with no remainder.

Since 6,427,575 cannot be divided by just 1 and 6,427,575, 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).