An even number is one that ends in 0, 2, 4, 6 or 8. Any even number, other than 2 can be divided by 2 and so is composite. 2 is the only even prime. 274 = 2 * 137
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Composite. 274 is not prime. It is divisible by 2 and 137 and not only 1 or 274.
It is: 2*137 = 274
4, composite. 67, prime.
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.