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Small Mersenne Prime Factors
Prime numbers of the form Mp= 2p − 1 are called Mersenne primes. For Mp to be prime, p must also be prime.
Any factor q of a Mersenne number 2p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.
Exponent Prime Factor Digits Year
4190074198380148399 ~1998
419013659335210927310 ~2000
4190243638380487279 ~1998
4190455318380910639 ~1998
4190575438381150879 ~1998
419059337251435602310 ~2000
419061037251436622310 ~2000
4190635877040268261711 ~2003
4190701918381403839 ~1998
419080637335264509710 ~2000
4191022918382045839 ~1998
419106283419106283110 ~2000
4191146391005875133711 ~2001
4191280438382560879 ~1998
419131913251479147910 ~2000
419133497251480098310 ~2000
4191366718382733439 ~1998
419137111670619377710 ~2001
4191445918382891839 ~1998
4191579718383159439 ~1998
4191612838383225679 ~1998
4191671531257501459111 ~2001
4191677398383354799 ~1998
4191695398383390799 ~1998
4191714718383429439 ~1998
Exponent Prime Factor Digits Year
4191751438383502879 ~1998
4191758998383517999 ~1998
4191789718383579439 ~1998
4191805798383611599 ~1998
419186377670698203310 ~2001
419193209335354567310 ~2000
419213141251527884710 ~2000
4192205211593037979911 ~2001
419226133251535679910 ~2000
4192274998384549999 ~1998
4192466998384933999 ~1998
4192613518385227039 ~1998
419261519335409215310 ~2000
4192705212012498500911 ~2002
4192722197043773279311 ~2003
419273333251563999910 ~2000
4192771918385543839 ~1998
419286337670858139310 ~2001
4192989598385979199 ~1998
4193097838386195679 ~1998
4193115238386230479 ~1998
4193119798386239599 ~1998
4193206198386412399 ~1998
4193379118386758239 ~1998
419337953251602771910 ~2000
Exponent Prime Factor Digits Year
4194243718388487439 ~1998
4194273118388546239 ~1998
4194324118388648239 ~1998
419434229587207920710 ~2000
419444141335555312910 ~2000
419445253251667151910 ~2000
4194461038388922079 ~1998
4194657238389314479 ~1998
419470061251682036710 ~2000
4194864238389728479 ~1998
419500093251700055910 ~2000
4195016991761907135911 ~2002
4195035838390071679 ~1998
4195082638390165279 ~1998
4195185598390371199 ~1998
419518997251711398310 ~2000
419548013251728807910 ~2000
4195505038391010079 ~1998
419563093671300948910 ~2001
419584793587418710310 ~2000
4195920072014041633711 ~2002
419598329335678663310 ~2000
4195983598391967199 ~1998
4196375398392750799 ~1998
4196379838392759679 ~1998
Exponent Prime Factor Digits Year
4196410918392821839 ~1998
4196420398392840799 ~1998
4196753398393506799 ~1998
4196848798393697599 ~1998
4196926318393852639 ~1998
419692997335754397710 ~2000
4196940838393881679 ~1998
4196962198393924399 ~1998
4197207838394415679 ~1998
4197259918394519839 ~1998
4197469731343190313711 ~2001
4197517798395035599 ~1998
419754869335803895310 ~2000
4197595318395190639 ~1998
4197618718395237439 ~1998
4197632998395265999 ~1998
4197662998395325999 ~1998
419767561251860536710 ~2000
419769277251861566310 ~2000
419769341251861604710 ~2000
4197701998395403999 ~1998
419786197251871718310 ~2000
419794931335835944910 ~2000
4198047118396094239 ~1998
4198138198396276399 ~1998
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25-06-29