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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
409751419014531039 ~1993
40976531819530638 ~1990
40977719819554398 ~1990
40978139819562798 ~1990
409785295736994079 ~1993
40978583819571678 ~1990
409786012458716079 ~1992
40979063819581278 ~1990
40979651819593038 ~1990
40980323819606478 ~1990
40983011819660238 ~1990
40983497122950491110 ~1993
40985111819702238 ~1990
40985519819710398 ~1990
409872772459236639 ~1992
409877116558033779 ~1993
40989359819787198 ~1990
40989551819791038 ~1990
409903797378268239 ~1993
409911434099114319 ~1992
40992683819853678 ~1990
40993499819869998 ~1990
40994111819882238 ~1990
40994543819890878 ~1990
40995191819903838 ~1990
Exponent Prime Factor Digits Year
40996019819920398 ~1990
40996811819936238 ~1990
40998623819972478 ~1990
40998911819978238 ~1990
409991932459951599 ~1992
41000819820016398 ~1990
41001011820020238 ~1990
410010136560162099 ~1993
41001071820021438 ~1990
4100162947168274001712 ~2000
41001959820039198 ~1990
41004191820083838 ~1990
410045812460274879 ~1992
41004839820096798 ~1990
41004851820097038 ~1990
41004923820098478 ~1990
41005799820115998 ~1990
41006639820132798 ~1990
41006963820139278 ~1990
41007023820140478 ~1990
410079372460476239 ~1992
41007971820159438 ~1990
41009099820181998 ~1990
41009411820188238 ~1990
41009879820197598 ~1990
Exponent Prime Factor Digits Year
41011391820227838 ~1990
41012063820241278 ~1990
41012711820254238 ~1990
41012843820256878 ~1990
410136773281094179 ~1992
41013803820276078 ~1990
41015291820305838 ~1990
41017103820342078 ~1990
410172972461037839 ~1992
41017631820352638 ~1990
410176793281414339 ~1992
41020103820402078 ~1990
41020139820402798 ~1990
41022323820446478 ~1990
410224036563584499 ~1993
41022431820448638 ~1990
41022911820458238 ~1990
41023511820470238 ~1990
41026259820525198 ~1990
41026883820537678 ~1990
410274012461644079 ~1992
410285532461713199 ~1992
41028959820579198 ~1990
41029031820580638 ~1990
41029511820590238 ~1990
Exponent Prime Factor Digits Year
41029589131294684910 ~1993
41029679820593598 ~1990
41030123820602478 ~1990
41030219820604398 ~1990
41033171820663438 ~1990
41033849155928626310 ~1994
41034011820680238 ~1990
41034551820691038 ~1990
41035019820700398 ~1990
41035343820706878 ~1990
410356973282855779 ~1992
41035919820718398 ~1990
41038691820773838 ~1990
41038979820779598 ~1990
410390212462341279 ~1992
410399273283194179 ~1992
41040299820805998 ~1990
41041079820821598 ~1990
41043071820861438 ~1990
41043311820866238 ~1990
41043599820871998 ~1990
41044739820894798 ~1990
410460172462761039 ~1992
41046851820937038 ~1990
41047271820945438 ~1990
1952
GIMPS The Prime Pages FactorDb.com
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25-06-08