I think it is 4.15
23 29 31 37 41
31 37 41.
23, 29, 31, 37, 41.
42 is between 41 and 43.
41 and 43 are prime numbers.
The even numbers between 41 and 47 are 42, 44 and 46.
They are: 37 and 41
41
The composite numbers between 41 and 50 are:42, 44, 45, 46, 48, 49, 50The other numbers in the list, 41, 43, 47, are prime.
23, 29, 31, 37, 41
42, 44, 45, 46, and 48
The composite numbers between 41 and 50 are: 42, 44, 45, 46, 48, 49, 50.
41, 41, 41, and 42.
23 29 31 37 41
31 37 41.
23, 29, 31, 37, 41.
42 is between 41 and 43.