They are: 5 7 11 13 17 19 23 29 31 and 37
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5 and 37 are prime. 12 and 18 are composite.
37 + 5
The prime numbers are: 2*2*5*37 = 740
They are: 29+5+3 = 37
Multiples of 5 are not prime numbers except 5, so there are none. But, there are prime numbers between 20 and 40, like 23, 29, 31 and 37.