Three is prime, because the number 3 only has 2 factors 1 and itself and the number 4 has 3 factors 1,2, and 4 (you can tell if a number is prime when it has 2 factors and if a number has more than 2 it is composite)
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4, composite. 67, prime.
1 is special 2 prime 3 prime 4 composite 5 prime 6 composite 7 prime 8 composite 9 composite 10 composite 11 prime 12 composite ext.
It is composite because it is divisible by 3(4 + 8 + 3 = 15)
3274Another Answer:-3 prime numbers and a composite number
417 is composite because it has 4 factors: 1, 3, 139, and 417.