2 votes 2 votes In a K-Map , it was found that essential prime implicants are covering all terms except 2 minterms . Those 2 minterms are in turn covered by 3 non-essential prime implicants each , so how to approach for calculating no of minimal SOP's ? radha gogia asked Jan 17, 2016 radha gogia 405 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.