no, it is a prime
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The number 89 is prime.
89 is a prime number because it has only two factors which are itself and one.
801 is not prime. 801 = 3 * 3 * 89
267 is a composite number - since the digits of the number add up to a multiple of three, it is divisible by 3. Its prime factorization is 3 x 89 = 267.
All of them except for 89 which is a prime number