If m and n are positive integers and mn = k, is m + n = k + 1 ? 
(1) m = 1 
(2) k is a prime number.
                    
                
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                AStatement (1) ALONE is sufficient, but statement (2) alone is not sufficient. 
                            
 
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                BStatement (2) ALONE is sufficient, but statement (1) alone is not sufficient. 
                            
 
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                CBOTH statement TOGETHER are sufficient, but NEITHER statement ALONE is sufficien 
                            
 
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                DEACH statement ALONE is sufficient. 
                            
 
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                EStatements (1) and (2) TOGETHER are NOT sufficient.