29 and 31 are prime.
The rest are composite numbers.
Prime numbers: 11, 13, 17, 19, 23, 29 Composite numbers: 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30
the first one 11 others are not 15 = 3 x 5 21 = 3 x 7 27 = 3 x 9 56 = 4 x 14
NO. Not all odd numbers are prime like 9, 15, 21, 27,... because they have other factors aside from 1 and itself.
23 and 27 are prime numbers whereas 36 and 39 are composite numbers.
13
No.
No, neither of them are.
They are all prime numbers except for 15 21 25 and 27 which are composite numbers
YES
29
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Prime numbers: 11, 13, 17, 19, 23, 29 Composite numbers: 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30
the first one 11 others are not 15 = 3 x 5 21 = 3 x 7 27 = 3 x 9 56 = 4 x 14
14 = 2 × 7 27 = 3³ → hcf(14, 27) = 1 → 14 and 27 are relatively prime.
No, neither 27 nor 57 are prime numbers.
NO. Not all odd numbers are prime like 9, 15, 21, 27,... because they have other factors aside from 1 and itself.
Neither 27 nor 52 are prime numbers. Both are composite numbers, instead.