Q: Is 505,155 a Composite Number?

 A: Yes, 505,155 is a composite number.

Why is 505,155 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 505,155 can be evenly divided by 1 3 5 7 15 17 21 35 51 85 105 119 255 283 357 595 849 1,415 1,785 1,981 4,245 4,811 5,943 9,905 14,433 24,055 29,715 33,677 72,165 101,031 168,385 and 505,155, with no remainder.

Since 505,155 cannot be divided by just 1 and 505,155, it is a composite number.


More Examples

Number 505,153505,154505,156505,157
Composite? yesyesyesno
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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