Oasis Number Ones:
The Importance Of Being Idle 2005
The Hindu Times 2002
Go Let It Out 2000
All Around The World 1998
D'You Know What I Mean 1997
Don't Look Back In Anger 1996
Some Might Say 1995
All these Oasis number ones were written by Noel Gallagher.
How many number ones did Blur get? Oh that's right. Two.
Interestingly enough, Dig Out Your Soul did not have any number ones off it!
For a full list of Oasis singles and their UK chart playing, check out Oasis Official Site