Q: Is 28,231,245 a Composite Number?

Why is 28,231,245 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 28,231,245 can be evenly divided by 1 3 5 7 9 15 19 21 35 45 53 57 63 89 95 105 133 159 171 265 267 285 315 371 399 445 477 623 665 795 801 855 1,007 1,113 1,197 1,335 1,691 1,855 1,869 1,995 2,385 3,021 3,115 3,339 4,005 4,717 5,035 5,073 5,565 5,607 5,985 7,049 8,455 9,063 9,345 11,837 14,151 15,105 15,219 16,695 21,147 23,585 25,365 28,035 33,019 35,245 35,511 42,453 45,315 59,185 63,441 70,755 76,095 89,623 99,057 105,735 106,533 165,095 177,555 212,265 268,869 297,171 317,205 448,115 495,285 532,665 627,361 806,607 1,344,345 1,485,855 1,882,083 3,136,805 4,033,035 5,646,249 9,410,415 and 28,231,245, with no remainder.

Since 28,231,245 cannot be divided by just 1 and 28,231,245, 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).