The longest number one by a group is Simon and Garfunkel's "Bridge Over Troubled Water" which was number one for 33 weeks (13 of which were consecutive). The longest consecutive number one by a group was the Beatles' "Please Please Me", which held the top spot for a straight 30 weeks. The longest number one by a male solo artist was Elvis Presley with "G.I. Blues" which stayed at the top for 22 weeks (his "Blue Hawaii" album was also the longest consecutive number one album for a male artist with 17 weeks). Adele's album "21" has the most weeks at number one by a female solo artist (and by a solo artist of any gender) with 23 weeks, 11 of which were consecutive (which is also a record for a female artist).