Q: Is 620,730 a Composite Number?

Why is 620,730 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 620,730 can be evenly divided by 1 2 3 5 6 9 10 11 15 18 19 22 27 30 33 38 45 54 55 57 66 90 95 99 110 114 121 135 165 171 190 198 209 242 270 285 297 330 342 363 418 495 513 570 594 605 627 726 855 990 1,026 1,045 1,089 1,210 1,254 1,485 1,710 1,815 1,881 2,090 2,178 2,299 2,565 2,970 3,135 3,267 3,630 3,762 4,598 5,130 5,445 5,643 6,270 6,534 6,897 9,405 10,890 11,286 11,495 13,794 16,335 18,810 20,691 22,990 28,215 32,670 34,485 41,382 56,430 62,073 68,970 103,455 124,146 206,910 310,365 and 620,730, with no remainder.

Since 620,730 cannot be divided by just 1 and 620,730, 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).