GIMPS (Prime95) Mersenne numbers with many known factors

Top Mersenne exponents with the most known factors:

Known Factors	Exponent Count
11	3
10	6
9	43
8	247
7	1,755
6	13,793
5	89,367
4	484,900

Exponent	# Known Factors ↓	Sum Bitsize of Known Factors	Largest factor (bits)	% Known	PrimeNet	GPU72	actual
M7,508,981	11	495.94	80.00	0.0066046378%	2⁶³	2⁶⁷
M9,100,919	11	521.51	80.16	0.0057302455%	2⁶⁴	2⁶⁸
M3,930,621,659	11	591.06	82.34	0.0000150374%	2⁸⁸	2⁹²	2⁸⁷

M566,448,359	10	450.68	64.23	0.0000795615%	2⁷⁹	2⁸³
M1,708,426,297	10	503.69	72.86	0.0000294827%	2⁸⁴	2⁸⁸	2⁸⁰
M2,612,650,693	10	542.98	79.88	0.0000207828%	2⁸⁶	2⁹⁰	2⁸¹
M2,621,856,541	10	516.40	78.96	0.0000196960%	2⁸⁶	2⁹⁰	2⁸³
M2,680,080,503	10	493.96	72.07	0.0000184309%	2⁸⁶	2⁹⁰	2⁸⁵
M3,273,488,573	10	508.38	78.04	0.0000155302%	2⁸⁷	2⁹¹	2⁸⁴

M397	9	397.00	102.38	99.9999258008%	2⁴⁰	2⁴⁴
M31,817	9	649.29	134.15	2.0406920828%	2⁴⁰	2⁴⁴
M111,269	9	445.03	79.65	0.3999613549%	2⁴⁰	2⁴⁴
M150,551	9	572.26	101.24	0.3801097303%	2⁴⁰	2⁴⁴
M457,739	9	445.72	86.89	0.0973751417%	2⁴⁰	2⁴⁴
M599,803	9	485.15	101.23	0.0808842237%	2⁴⁰	2⁴⁴
M757,651	9	506.55	83.83	0.0668572997%	2⁴⁰	2⁴⁴
M794,203	9	430.58	88.32	0.0542152321%	2⁴⁰	2⁴⁴
M1,938,317	9	444.64	83.79	0.0229392303%	2⁵⁸	2⁶²
M5,977,753	9	404.77	60.80	0.0067713236%	2⁶²	2⁶⁶
M9,325,159	9	431.08	72.40	0.0046227201%	2⁶⁴	2⁶⁸
M27,366,961	9	414.30	78.45	0.0015138692%	2⁶⁶	2⁷⁰
M28,035,701	9	409.77	60.86	0.0014615900%	2⁶⁶	2⁷⁰
M31,866,377	9	429.37	61.16	0.0013473920%	2⁶⁷	2⁷¹
M60,593,041	9	417.80	65.27	0.0006895231%	2⁶⁹	2⁷³
M110,393,069	9	423.04	67.63	0.0003832143%	2⁷²	2⁷⁶
M113,644,673	9	392.87	63.84	0.0003457038%	2⁷²	2⁷⁶
M160,062,671	9	427.79	68.74	0.0002672616%	2⁷⁴	2⁷⁸
M458,703,437	9	426.03	67.50	0.0000928772%	2⁷⁸	2⁸²
M630,486,799	9	388.05	56.11	0.0000615472%	2⁸⁰	2⁸⁴
M639,698,243	9	422.96	71.43	0.0000661191%	2⁸⁰	2⁸⁴
M726,064,763	9	471.71	74.85	0.0000649686%	2⁸⁰	2⁸⁴
M736,098,431	9	444.14	76.85	0.0000603369%	2⁸⁰	2⁸⁴
M736,647,071	9	463.95	72.47	0.0000629816%	2⁸⁰	2⁸⁴
M809,682,121	9	451.78	69.39	0.0000557968%	2⁸¹	2⁸⁵
M940,572,491	9	430.10	67.95	0.0000457275%	2⁸¹	2⁸⁵
M1,253,228,947	9	479.56	70.47	0.0000382661%	2⁸³	2⁸⁷	2⁷⁹
M1,512,382,493	9	430.77	72.94	0.0000284829%	2⁸⁴	2⁸⁸	2⁷⁹
M1,541,784,557	9	423.31	73.29	0.0000274556%	2⁸⁴	2⁸⁸	2⁷⁹
M1,689,848,561	9	435.79	77.88	0.0000257884%	2⁸⁴	2⁸⁸	2⁷⁹
M1,702,917,103	9	459.90	72.90	0.0000270068%	2⁸⁴	2⁸⁸	2⁸¹
M1,797,253,079	9	447.72	71.66	0.0000249115%	2⁸⁴	2⁸⁸	2⁸¹
M1,956,651,017	9	447.40	66.25	0.0000228655%	2⁸⁵	2⁸⁹	2⁸¹
M2,444,875,883	9	472.38	79.57	0.0000193211%	2⁸⁶	2⁹⁰	2⁸⁰
M2,568,758,321	9	408.94	70.40	0.0000159197%	2⁸⁶	2⁹⁰	2⁸³
M2,578,897,001	9	462.26	77.17	0.0000179246%	2⁸⁶	2⁹⁰	2⁷⁹
M2,622,903,683	9	480.28	73.43	0.0000183110%	2⁸⁶	2⁹⁰	2⁷⁸
M2,698,453,873	9	425.99	73.03	0.0000157863%	2⁸⁶	2⁹⁰	2⁸⁰
M2,877,506,711	9	434.64	77.84	0.0000151046%	2⁸⁶	2⁹⁰	2⁷⁹
M3,250,525,121	9	444.80	75.89	0.0000136841%	2⁸⁷	2⁹¹	2⁸¹
M3,278,329,211	9	489.54	75.16	0.0000149326%	2⁸⁷	2⁹¹	2⁷⁹

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