Q: Is 128,790 a Composite Number?

 A: Yes, 128,790 is a composite number.

Why is 128,790 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 128,790 can be evenly divided by 1 2 3 5 6 9 10 15 18 27 30 45 53 54 81 90 106 135 159 162 243 265 270 318 405 477 486 530 795 810 954 1,215 1,431 1,590 2,385 2,430 2,862 4,293 4,770 7,155 8,586 12,879 14,310 21,465 25,758 42,930 64,395 and 128,790, with no remainder.

Since 128,790 cannot be divided by just 1 and 128,790, it is a composite number.


More Examples

Number 128,788128,789128,791128,792
Composite? yesyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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