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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.
Exp. Prime Factor Digits Year
91223918244797 1978
912343145974898 1978
912487583991698 1978
91253918250797 1978
912539456269518
91263191263117 1978
9126471533246979 1978
912727602399838 1978
912799219071778 1978
91283918256797 1978
912911292131538 1978
912991365196418 1978
913013127821838 1978
913037219128898 1978
91310318262077 1978
913139292204498 1978
913151511364578 1981
91325918265197 1978
913279438373938 1978
91344791344717 1978
91345754807437 1978
91348773078977 1978
913573365429218 1978
91373918274797 1978
913799657935298 1978
Exp. Prime Factor Digits Year
91388973111137 1978
913999365599618 1978
91421918284397 1978
9142372413585699 1978
91432773146177 1978
91435118287037 1978
91436318287277 1978
91449191449117 1978
9145611170638099 1978
91473754884237 1978
9147832488209779 1978
914887164679678 1978
9150712635404499 1978
91514318302877 1978
915181420983278 1978
91519173215297 1978
915221347783998 1978
915283311196238 1978
91531118306237 1978
9155333424093439 1978
91553918310797 1978
915589201429598 1978
91569754941837 1978
915703604363998 1978
91583918316797 1978
Exp. Prime Factor Digits Year
91585118317037 1978
91591773273377 1978
91603118320637 1978
916033494657838 1978
9161411465825619 1978
91616973293537 1978
916177494735598 1978
916213219891138 1978
91646318329277 1978
916501201630238 1978
91651118330237 1978
916613274983918 1978
91662154997277 1978
916679385005198 1978
91693118338637 1978
916939311759278 1978
916973220073538 1978
91709355025597 1978
917159220118178 1978
91721918344397 1978
917239366895618 1978
917243385242078 1978
9172511265806399 1978
91736318347277 1978
91738173390497 1978
Exp. Prime Factor Digits Year
917381880685778
91745918349197 1978
917713367085218 1978
917789128490478 1978
91783755070237 1978
918041514102978 1978
91814318362877 1978
918157587620498 1978
918161293811538 1978
918263606053598 1978
918361440813298 1978
91839755103837 1978
918397422462638
918433881695698 1978
9185292186099039 1978
91856318371277 1978
91873355123997 1978
918787532896478 1978
91885755131437 1978
91895918379197 1978
91897118379437 1978
91903118380637 1978
91906773525377 1978
919129202208398 1978
919169349284238 1978
233
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