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.
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.
42 and 48
48
49
46, 47, 48, 49, 50 and so on. The list is infinite
40, 42, 44, 45, 46, 48, 49
42, 44, 45, 46, 48, 49.
49 is not a prime number. It is the square of the prime number 7.
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