Q: Is 28,676,025 a Composite Number?

Why is 28,676,025 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 28,676,025 can be evenly divided by 1 3 5 7 9 15 17 21 25 27 35 45 49 51 63 75 81 85 105 119 135 147 153 175 189 225 245 255 289 315 357 405 425 441 459 525 567 595 675 735 765 833 867 945 1,071 1,225 1,275 1,323 1,377 1,445 1,575 1,785 2,023 2,025 2,205 2,295 2,499 2,601 2,835 2,975 3,213 3,675 3,825 3,969 4,165 4,335 4,725 5,355 6,069 6,615 6,885 7,225 7,497 7,803 8,925 9,639 10,115 11,025 11,475 12,495 13,005 14,161 14,175 16,065 18,207 19,845 20,825 21,675 22,491 23,409 26,775 30,345 33,075 34,425 37,485 39,015 42,483 48,195 50,575 54,621 62,475 65,025 67,473 70,805 80,325 91,035 99,225 112,455 117,045 127,449 151,725 163,863 187,425 195,075 212,415 240,975 273,105 337,365 354,025 382,347 455,175 562,275 585,225 637,245 819,315 1,062,075 1,147,041 1,365,525 1,686,825 1,911,735 3,186,225 4,096,575 5,735,205 9,558,675 and 28,676,025, with no remainder.

Since 28,676,025 cannot be divided by just 1 and 28,676,025, 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).