Q: Is 61,215 a Composite Number?

 A: Yes, 61,215 is a composite number.

Why is 61,215 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 61,215 can be evenly divided by 1 3 5 7 11 15 21 33 35 53 55 77 105 159 165 231 265 371 385 583 795 1,113 1,155 1,749 1,855 2,915 4,081 5,565 8,745 12,243 20,405 and 61,215, with no remainder.

Since 61,215 cannot be divided by just 1 and 61,215, it is a composite number.


More Examples

Number 61,21361,21461,21661,217
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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