Fastest test match cricket hundreds

Balls   Batsman         Match                       Location            Year
56      IVA Richards    West Indies v England       St John's           1985-86
57      AC Gilchrist    Australia v England         Perth               2006-07
67      JM Gregory      Australia v South Africa    Johannesburg        1921-22
69      S Chanderpaul   West Indies v Australia     Georgetown          2002-03
70      CH Gayle        West Indies v Australia     Perth               2009-10
71      RC Fredericks   West Indies v Australia     Perth               1975-76
74      Majid Khan      Pakistan v New Zealand      Karachi             1976-77
74      Kapil Dev       India v Sri Lanka           Kanpur              1986-87
74      M Azharuddin    India v South Africa        Calcutta            1996-97
76      GL Jessop       England v Australia         The Oval            1902

Note: All the figures are from the start of an individual innings.

Detailed list can be found here

Also Adam Gilchrist's 57 ball century vs England video is here

Fastest ODI cricket hundreds list - records

Following are the top 10 fastest ODI 100's in the history of the game till date.

Runs	Balls	6s	4s	Player	Match	Venue	Year
102	37	11	6	Shahid Afridi	Pakistan v Sri Lanka	Nairobi	4/10/1996
147*	44	10	8	MV Boucher	South Africa v Zimbabwe	Potchefstroom	20/09/2006
117	45	4	18	BC Lara	West Indies v Bangladesh	Dhaka	9/10/1999
102	45	9	10	Shahid Afridi	Pakistan v India	Kanpur	15/04/2005
134	48	11	11	ST Jayasuriya	Sri Lanka v Pakistan	Singapore	2/4/1996
130	55	1	8	ST Jayasuriya	Sri Lanka v Bangladesh	Karachi	30/06/2008
108	62	3	10	M Azharuddin	India v New Zealand	Baroda	17/12/1988
157	64	1	23	ST Jayasuriya	Sri Lanka v Netherlands	Amstelveen	4/7/2006
138*	64	6	16	Yuvraj Singh	India v England	Rajkot	14/11/2008
101	66	4	14	ML Hayden	Australia v South Africa	St Kitts	24/03/2007

The complete list can be found here in cricinfo
Source: cricinfo