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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
1227497466448878 ~1982
12274971178397139
12275592062299139 ~1983
122756324551277 ~1979
122763773658237 ~1980
122783373669997 ~1980
12278411080500099 ~1983
122788173672877 ~1980
122791124558237 ~1979
1227943491177218 ~1982
1228273270220078 ~1981
1228277368483118 ~1981
12282911670475779 ~1983
122837373702397 ~1980
1228391515924238 ~1982
122839373703597 ~1980
122853773712237 ~1980
1228567122856718 ~1980
122858998287137 ~1980
1228603417725038 ~1982
122869124573837 ~1979
122874173724477 ~1980
1228889393244498 ~1981
12288891253466799
1228891196622578 ~1981
Exp. Prime Factor Digits Year
122891924578397 ~1979
1229071221232798 ~1981
1229149270412798 ~1981
1229149589991538
1229197786686098 ~1982
1229483295075938 ~1981
1229531393449938 ~1981
1229597172143598 ~1981
1229707221347278 ~1981
1229719295132578 ~1981
1229897295175298 ~1981
122993924598797 ~1979
1229941590371698 ~1982
12299815190519839 ~1984
1230107590451378 ~1982
1230233393674578 ~1981
123026324605277 ~1979
123037124607437 ~1979
123047924609597 ~1979
123052173831277 ~1980
1230547123054718 ~1980
123063773838237 ~1980
1230727123072718 ~1980
1230739418451278 ~1982
123086324617277 ~1979
Exp. Prime Factor Digits Year
123086998469537 ~1980
1230881960087198 ~1982
1230967221574078 ~1981
1231051221589198 ~1981
123112798490177 ~1980
123131924626397 ~1979
123142173885277 ~1980
1231663295599138 ~1981
1231781369534318 ~1981
123182998546337 ~1980
123188324637677 ~1979
1231883615941518
123188998551137 ~1980
123194324638877 ~1979
123196198556897 ~1980
1231961394227538
1232071197131378 ~1981
123217198573697 ~1980
123220173932077 ~1980
123221373932797 ~1980
1232227295734498 ~1981
123224324644877 ~1979
1232269271099198 ~1981
123235198588097 ~1980
123235373941197 ~1980
Exp. Prime Factor Digits Year
123241124648237 ~1979
123241773945037 ~1980
123253124650637 ~1979
1232659517716798 ~1982
1232683295843938 ~1981
123277124655437 ~1979
1232801764336638 ~1982
123283198626497 ~1980
1232831106763164710
123294173976477 ~1980
123307373984397 ~1980
1233073567213598
12334974613278799 ~1984
1233593296062338 ~1981
12335931282936739
123361198688897 ~1980
1233763197402098 ~1981
12337632887005439
123377924675597 ~1979
1234039222127038 ~1981
12340391480846819
12341471308195839 ~1983
1234187222153678 ~1981
1234253370275918 ~1981
1234391592507698 ~1982
281
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25-06-29