165 is composite
It is a composite number because it has more than two factors.
neither prime or composite
It would be impossible to list them all, since numbers go on forever, but here are some of them: 2 - Prime 3 - Prime 4 - Composite 5 - Prime 6 - Composite 7 - Prime 8 - Composite 9 - Composite 10 - Composite 11 - Prime 12 - Composite 13 - Prime 14 - Composite 15 - Composite 16 - Composite 17 - Prime 18 - Composite 19 - Prime 20 - Composite 21 - Composite 22 - Composite 23 - Prime 24 - Composite 25 - Composite 26 - Composite 27 - Composite 28 - Composite 29 - Prime 30 - Composite 31 - Prime 32 - Composite 33 - Composite 34 - Composite 35 - Composite 36 - Composite 37 - Prime 38 - Composite 39 - Composite 40 - Composite 41 - Prime 42 - Composite 43 - Prime 44 - Composite 45 - Composite 46 - Composite 47 - Prime 48 - Composite 49 - Composite 50 - Composite
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.
Prime
15
5 prime, 25 composite.
The positive factors are: Even: 105 - n/a 165 - n/a Odd: 105 - 21, 5, 3, 7, 165 - 33, 5, 3, 11, Prime: 105 - 3, 7, 5, 165 - 3, 11, 5, Composite: 105 - 21 165 - 33 (This information is correct)
Yes 165 is composite. Since the ones digit is a 5, then it is divisible by 5. Also, since the sum of the digits = 12 (which is divisible by 3) then 165 is also divisible by 3. We now know that it has more than 2 factors. A number always has factors of one (1) and itself. If those are the only 2 factors, then the number is prime, but if there are other factors, then it is composite. If that's all you have to determine, you can stop there.
composite
no 9750 is not composite it is prime