47
47 is the greatest prime number under 50.
The greatest common factor of a prime and a composite number is 1 if the composite number is not divisible by the prime number. 37 is a prime number and 50 is a composite number. Also, 50 is not divisible by 37 therefore GCF = 1.
47.
It is: 47
42
The number '1' is neither prime nor composite.
19 January, 12, 2012
19 x 41 = 779
It is 1 because 7 is a prime number and is not a factor of 50
47 + 74 = 121
The next prime number after 50 (which is not prime) is 53.
The first prime number after 50 is 53.