Small Mersenne Prime Factors (page 716/5430)

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
5259671	10519343	8	~1983
5259689	126232537	9	~1986
5259731	10519463	8	~1983
5260051	52600511	8	~1985
5260117	31560703	8	~1985
5260139	42081113	8	~1985
5260337	31562023	8	~1985
5260379	42083033	8	~1985
5260439	10520879	8	~1983
5260487	42083897	8	~1985
5260679	10521359	8	~1983
5260799	42086393	8	~1985
5260883	10521767	8	~1983
5260943	10521887	8	~1983
5261051	10522103	8	~1983
5261153	31566919	8	~1985
5261261	199927919	9	~1987
5261471	10522943	8	~1983
5261647	94709647	8	~1986
5261741	31570447	8	~1985
5261783	10523567	8	~1983
5261941	84191057	8	~1986
5262001	31572007	8	~1985
5262329	168394529	9	~1986
5262371	10524743	8	~1983

Exp.	Prime Factor	Digits	Year
5262539	10525079	8	~1983
5262557	73675799	8	~1986
5262599	10525199	8	~1983
5262611	42100889	8	~1985
5262863	10525727	8	~1983
5263033	84208529	8	~1986
5263241	31579447	8	~1985
5263499	168431969	9	~1986
5263541	31581247	8	~1985
5263561	31581367	8	~1985
5263631	42109049	8	~1985
5263637	42109097	8	~1985
5263733	31582399	8	~1985
5264381	31586287	8	~1985
5264443	84231089	8	~1986
5264477	73702679	8	~1986
5264537	31587223	8	~1985
5264683	52646831	8	~1985
5264801	42118409	8	~1985
5265059	10530119	8	~1983
5265067	52650671	8	~1985
5265131	10530263	8	~1983
5265193	31591159	8	~1985
5265193	115834247	9
5265473	73716623	8	~1986

Exp.	Prime Factor	Digits	Year
5266031	10532063	8	~1983
5266271	42130169	8	~1985
5266441	31598647	8	~1985
5266673	31600039	8	~1985
5266799	10533599	8	~1983
5266883	10533767	8	~1983
5266907	42135257	8	~1985
5266979	10533959	8	~1983
5266997	126407929	9	~1986
5267159	221220679	9	~1987
5267257	158017711	9	~1986
5267323	84277169	8	~1986
5267519	10535039	8	~1983
5267711	10535423	8	~1983
5267783	547849433	9	~1988
5268031	52680311	8	~1985
5268083	10536167	8	~1983
5268119	42144953	8	~1985
5268121	31608727	8	~1985
5268257	42146057	8	~1985
5268437	73758119	8	~1986
5268551	10537103	8	~1983
5268671	42149369	8	~1985
5268743	10537487	8	~1983
5268779	42150233	8	~1985

Exp.	Prime Factor	Digits	Year
5268899	94840183	8	~1986
5268937	31613623	8	~1985
5268953	31613719	8	~1985
5269079	10538159	8	~1983
5269111	84305777	8	~1986
5269259	10538519	8	~1983
5269603	632352361	9	~1988
5269787	42158297	8	~1985
5269867	52698671	8	~1985
5269867	126476809	9
5270029	284581567	9	~1987
5270129	42161033	8	~1985
5270183	10540367	8	~1983
5270537	31623223	8	~1985
5270567	42164537	8	~1985
5270767	52707671	8	~1985
5270773	31624639	8	~1985
5270821	463832249	9	~1988
5271179	42169433	8	~1985
5271319	52713191	8	~1985
5271323	137054399	9	~1986
5271401	42171209	8	~1985
5271463	52714631	8	~1985
5271557	158146711	9	~1986
5271599	10543199	8	~1983

5.127.372 digits

25-10-20