GIMPS (Prime95) Mersenne numbers with many known factors

Top Mersenne exponents with the most known factors:

Known Factors	Exponent Count
11	3
10	9
9	52
8	372
7	2,794
6	22,832
5	196,087

222,149 matching records:

Exponent	# Known Factors	Sum Bitsize of Known Factors	Largest factor (bits)	% Known ↓	PrimeNet	GPU72	actual
M223	6	223.00	78.98	100.0000000000%	2⁴⁰	2⁴⁴
M239	6	239.00	162.28	100.0000000000%	2⁴⁰	2⁴⁴
M359	6	359.00	126.24	100.0000000000%	2⁴⁰	2⁴⁴

M397	9	397.00	102.38	100.0000000000%	2⁴⁰	2⁴⁴

M431	8	431.00	230.07	100.0000000000%	2⁴⁰	2⁴⁴

M463	6	463.00	203.24	100.0000000000%	2⁴⁰	2⁴⁴

M491	7	491.00	133.44	100.0000000000%	2⁴⁰	2⁴⁴

M587	6	587.00	353.66	100.0000000000%	2⁴⁰	2⁴⁴
M641	6	641.00	260.39	100.0000000000%	2⁴⁰	2⁴⁴	2²²⁸
M653	6	653.00	341.99	100.0000000000%	2⁴⁰	2⁴⁴	2⁹¹

M701	8	701.00	462.90	100.0000000000%	2⁴⁰	2⁴⁴

M743	7	743.00	338.13	100.0000000000%	2⁴⁰	2⁴⁴	2¹⁶¹

M773	6	773.00	300.03	100.0000000000%	2⁴⁰	2⁴⁴	2¹⁷¹

M797	7	797.00	279.72	100.0000000000%	2⁴⁰	2⁴⁴	2¹⁸⁰

M827	6	827.00	306.16	100.0000000000%	2⁴⁰	2⁴⁴	2²⁶²
M877	6	877.00	353.53	100.0000000000%	2⁴⁰	2⁴⁴	2²³⁵
M947	6	947.00	374.80	100.0000000000%	2⁴⁰	2⁴⁴	2³⁴⁴
M953	6	953.00	514.07	100.0000000000%	2⁴⁰	2⁴⁴	2¹⁹⁷
M977	6	977.00	566.45	100.0000000000%	2⁴⁰	2⁴⁴	2²⁰³

M1,009	8	1,009.00	382.66	100.0000000000%	2⁴⁰	2⁴⁴	2²⁹⁴
M1,087	8	1,087.00	433.76	100.0000000000%	2⁴⁰	2⁴⁴	2²⁰⁰

M1,091	6	1,091.00	731.35	100.0000000000%	2⁴⁰	2⁴⁴	2¹⁴⁸

M1,097	7	1,097.00	727.84	100.0000000000%	2⁴⁰	2⁴⁴

M1,151	6	1,151.00	461.05	100.0000000000%	2⁴⁰	2⁴⁴
M1,187	6	1,187.00	676.15	100.0000000000%	2⁴⁰	2⁴⁴
M1,201	6	1,201.00	837.56	100.0000000000%	2⁴⁰	2⁴⁴	2²⁰²
M1,373	6	1,373.00	1,068.37	100.0000000000%	2⁴⁰	2⁴⁴	2¹⁶⁶
M1,553	6	1,553.00	1,159.70	100.0000000000%	2⁴⁰	2⁴⁴

M1,723	7	1,725.43	1,328.77	100.0000000000%	2⁴⁰	2⁴⁴	2¹⁶⁶
M1,999	7	2,002.20	1,421.79	100.0000000000%	2⁴⁰	2⁴⁴
M2,677	7	2,677.00	2,378.70	100.0000000000%	2⁴⁰	2⁴⁴

M2,749	6	2,751.11	2,331.99	100.0000000000%	2⁴⁰	2⁴⁴
M2,789	6	2,790.03	2,335.32	100.0000000000%	2⁴⁰	2⁴⁴	2¹⁴³

M3,733	8	3,735.25	3,265.46	100.0000000000%	2⁴⁰	2⁴⁴	2¹⁷³

M4,751	6	4,751.00	4,555.56	100.0000000000%	2⁴⁰	2⁴⁴	2⁶³
M5,233	6	5,233.00	4,887.84	100.0000000000%	2⁴⁰	2⁴⁴

M9,901	7	9,901.00	9,445.55	100.0000000000%	2⁴⁰	2⁴⁴

M2,699	6	2,699.00	2,554.59	100.0000000000%	2⁴⁰	2⁴⁴	2⁶³
M2,447	6	2,447.00	2,118.12	100.0000000000%	2⁴⁰	2⁴⁴	2⁹¹

M2,087	7	2,087.00	1,587.52	100.0000000000%	2⁴⁰	2⁴⁴	2¹⁵⁹

M2,243	6	2,243.00	1,577.56	100.0000000000%	2⁴⁰	2⁴⁴
M1,289	6	1,289.00	1,042.04	100.0000000000%	2⁴⁰	2⁴⁴	2⁷³
M1,783	6	1,783.00	1,430.14	100.0000000000%	2⁴⁰	2⁴⁴	2¹²⁰

M1,361	7	1,361.00	1,081.34	100.0000000000%	2⁴⁰	2⁴⁴	2¹¹⁹

M1,489	6	512.26	176.00	34.4030284529%	2⁴⁰	2⁴⁴

M1,811	5	594.86	190.05	32.8470156377%	2⁴⁰	2⁴⁴
M2,083	5	660.27	201.38	31.6980091834%	2⁴⁰	2⁴⁴

M1,481	6	448.43	152.55	30.2790591996%	2⁴⁰	2⁴⁴

M1,381	5	415.77	201.83	30.1066030003%	2⁴⁰	2⁴⁴	2²⁰¹

M2,339	7	624.97	192.21	26.7193452806%	2⁴⁰	2⁴⁴	2¹⁹²

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0M	<	10¹⁰	All tracked exponents
0M	<	2³²	GPU TF range
0M	<	1000M	PrimeNet range
0M	<	193M	low-PrimeNet, low-res
0M	<	385M	low-PrimeNet, high-res
50M	<	123M	PrimeNet wavefront

Exponent range:		-
Factor count		-
Known %		-