Q: Is 403,788 a Composite Number?

Why is 403,788 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 403,788 can be evenly divided by 1 2 3 4 6 7 11 12 14 19 21 22 23 28 33 38 42 44 46 57 66 69 76 77 84 92 114 132 133 138 154 161 209 228 231 253 266 276 308 322 399 418 437 462 483 506 532 627 644 759 798 836 874 924 966 1,012 1,254 1,311 1,463 1,518 1,596 1,748 1,771 1,932 2,508 2,622 2,926 3,036 3,059 3,542 4,389 4,807 5,244 5,313 5,852 6,118 7,084 8,778 9,177 9,614 10,626 12,236 14,421 17,556 18,354 19,228 21,252 28,842 33,649 36,708 57,684 67,298 100,947 134,596 201,894 and 403,788, with no remainder.

Since 403,788 cannot be divided by just 1 and 403,788, 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).