198 is composite because it has three or more factors.
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It is neither prime nor composite.
.1 is not prime, since a prime has exactly two positive divisors.1 is not composite since it cannot be written as the product of primes.The number 1 is not called a prime OR composite number. It is called a f*cking UNIT !
The prime factorization of 198 is: 2 x 32 x 11 = 198
neither prime or composite
It is prime