Of the numbers you listed only 47 is a prime number.
49
40, 42, 44, 45, 46, 48, 49
42, 44, 45, 46, 48, 49.
49C6 = 49!/[(49 - 6)!6!] = 49!/(43!6!) = (49*48*47*46*45*44*43!)/(43!*6*5*4*3*2*1) = 49*47*46*3*44 = 13,983,816 or 49C6 = 49*48*47*46*45*44/6*5*4*3*2*1 = 13,983,816
Of the numbers you listed only 47 is a prime number.
47
Forty-one, the two forty-threes and forty-seven are prime.
46, 47, 48, 49, 50 and so on. The list is infinite
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.
49
42 and 48
48
40, 42, 44, 45, 46, 48, 49
42, 44, 45, 46, 48, 49.
49C6 = 49!/[(49 - 6)!6!] = 49!/(43!6!) = (49*48*47*46*45*44*43!)/(43!*6*5*4*3*2*1) = 49*47*46*3*44 = 13,983,816 or 49C6 = 49*48*47*46*45*44/6*5*4*3*2*1 = 13,983,816
49 is not a prime number. It is the square of the prime number 7.