Q: Is 1,625,085 a Composite Number?

Why is 1,625,085 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 1,625,085 can be evenly divided by 1 3 5 7 9 11 15 21 33 35 45 49 55 63 67 77 99 105 147 165 201 231 245 315 335 385 441 469 495 539 603 693 735 737 1,005 1,155 1,407 1,617 2,205 2,211 2,345 2,695 3,015 3,283 3,465 3,685 4,221 4,851 5,159 6,633 7,035 8,085 9,849 11,055 15,477 16,415 21,105 24,255 25,795 29,547 33,165 36,113 46,431 49,245 77,385 108,339 147,735 180,565 232,155 325,017 541,695 and 1,625,085, with no remainder.

Since 1,625,085 cannot be divided by just 1 and 1,625,085, 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).