Q: Is 321,195 a Composite Number?

 A: Yes, 321,195 is a composite number.

Why is 321,195 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 321,195 can be evenly divided by 1 3 5 7 15 19 21 23 35 49 57 69 95 105 115 133 147 161 245 285 345 399 437 483 665 735 805 931 1,127 1,311 1,995 2,185 2,415 2,793 3,059 3,381 4,655 5,635 6,555 9,177 13,965 15,295 16,905 21,413 45,885 64,239 107,065 and 321,195, with no remainder.

Since 321,195 cannot be divided by just 1 and 321,195, it is a composite number.


More Examples

Number 321,193321,194321,196321,197
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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