Q: Is 309,015 a Composite Number?

 A: Yes, 309,015 is a composite number.

Why is 309,015 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 309,015 can be evenly divided by 1 3 5 7 9 15 21 27 35 45 63 81 105 109 135 189 315 327 405 545 567 763 945 981 1,635 2,289 2,835 2,943 3,815 4,905 6,867 8,829 11,445 14,715 20,601 34,335 44,145 61,803 103,005 and 309,015, with no remainder.

Since 309,015 cannot be divided by just 1 and 309,015, it is a composite number.


More Examples

Number 309,013309,014309,016309,017
Composite? noyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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