Small Mersenne Prime Factors (page 709/5430)

Small Mersenne Prime Factors
Prime numbers of the form M_p= 2^p − 1 are called Mersenne primes. For M_p to be prime, p must also be prime.
Any factor q of a Mersenne number 2^p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.

Exp.	Prime Factor	Digits	Year
5174047	51740471	8	~1985
5174219	10348439	8	~1983
5174243	10348487	8	~1983
5174399	10348799	8	~1983
5174419	51744191	8	~1985
5174423	10348847	8	~1983
5174461	31046767	8	~1985
5174473	31046839	8	~1985
5174531	10349063	8	~1983
5174887	124197289	9	~1986
5174959	51749591	8	~1985
5175019	124200457	9	~1986
5175041	31050247	8	~1985
5175251	10350503	8	~1983
5175323	10350647	8	~1983
5175433	331227713	9	~1987
5175557	41404457	8	~1985
5175721	207028841	9	~1987
5175727	124217449	9	~1986
5175839	93165103	8	~1986
5176091	10352183	8	~1983
5176187	41409497	8	~1985
5176387	51763871	8	~1985
5176511	10353023	8	~1983
5176631	10353263	8	~1983

Exp.	Prime Factor	Digits	Year
5176667	93180007	8	~1986
5177059	51770591	8	~1985
5177119	176022047	9	~1986
5177351	10354703	8	~1983
5177363	10354727	8	~1983
5177441	41419529	8	~1985
5177477	31064863	8	~1985
5177551	93195919	8	~1986
5177701	31066207	8	~1985
5177971	51779711	8	~1985
5177971	93203479	8
5178083	10356167	8	~1983
5178143	10356287	8	~1983
5178661	31071967	8	~1985
5178923	10357847	8	~1983
5179103	10358207	8	~1983
5179859	10359719	8	~1983
5180137	31080823	8	~1985
5180159	10360319	8	~1983
5180243	10360487	8	~1983
5180341	31082047	8	~1985
5180459	10360919	8	~1983
5180477	72526679	8	~1985
5180579	10361159	8	~1983
5180717	31084303	8	~1985

Exp.	Prime Factor	Digits	Year
5180717	41445737	8
5180771	10361543	8	~1983
5180953	155428591	9	~1986
5180963	10361927	8	~1983
5181013	31086079	8	~1985
5181023	10362047	8	~1983
5181067	93259207	8	~1986
5181101	31086607	8	~1985
5181173	31087039	8	~1985
5181191	10362383	8	~1983
5181353	31088119	8	~1985
5181383	10362767	8	~1983
5181551	10363103	8	~1983
5181599	383438327	9	~1987
5181637	31089823	8	~1985
5181677	31090063	8	~1985
5181779	41454233	8	~1985
5181971	10363943	8	~1983
5181983	10363967	8	~1983
5182091	10364183	8	~1983
5182253	72551543	8	~1985
5182319	10364639	8	~1983
5182427	124378249	9	~1986
5182601	31095607	8	~1985
5182757	31096543	8	~1985

Exp.	Prime Factor	Digits	Year
5182867	51828671	8	~1985
5182979	10365959	8	~1983
5183077	2487876961	10	~1989
5183159	10366319	8	~1983
5183357	41466857	8	~1985
5183411	10366823	8	~1983
5183587	93304567	8	~1986
5183813	31102879	8	~1985
5183819	10367639	8	~1983
5183831	10367663	8	~1983
5183891	10367783	8	~1983
5183891	93310039	8
5183933	31103599	8	~1985
5183939	10367879	8	~1983
5184121	82945937	8	~1986
5184143	10368287	8	~1983
5184323	10368647	8	~1983
5184323	124423753	9
5184343	124424233	9	~1986
5184563	10369127	8	~1983
5184721	31108327	8	~1985
5184721	580688753	9
5184757	31108543	8	~1985
5184841	31109047	8	~1985
5184863	10369727	8	~1983

5.127.372 digits

25-10-20