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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
19492919389858398 ~1988
19493231389864638 ~1988
19493399389867998 ~1988
19494011389880238 ~1988
19494203389884078 ~1988
19494479389889598 ~1988
19494599389891998 ~1988
19494899389897998 ~1988
19495139389902798 ~1988
19495439389908798 ~1988
194957091696126683111 ~1994
194962371169774239 ~1989
19496819389936398 ~1988
194968492729558879 ~1990
194969591949695919 ~1990
19497311389946238 ~1988
19497431389948638 ~1988
194976416239245139 ~1991
19497839389956798 ~1988
194979134679499139 ~1991
19498079389961598 ~1988
194984634679631139 ~1991
19498499389969998 ~1988
19498679389973598 ~1988
19498751389975038 ~1988
Exponent Prime Factor Digits Year
194995811169974879 ~1989
19499591389991838 ~1988
19499657389993140110 ~1993
19499951389999038 ~1988
19500059390001198 ~1988
195001571170009439 ~1989
19500191390003838 ~1988
19501271390025438 ~1988
19501679390033598 ~1988
19502699390053998 ~1988
19503299390065998 ~1988
19503611390072238 ~1988
19503959390079198 ~1988
19504451390089038 ~1988
19504799390095998 ~1988
19505471390109438 ~1988
195055034681320739 ~1991
19505891390117838 ~1988
195075973121215539 ~1990
19507931390158638 ~1988
195083411170500479 ~1989
19509179390183598 ~1988
195093111560744899 ~1989
19509491390189838 ~1988
19509719390194398 ~1988
Exponent Prime Factor Digits Year
195097331170583999 ~1989
19509839390196798 ~1988
19510091390201838 ~1988
19510259390205198 ~1988
19510343390206878 ~1988
195106131170636799 ~1989
19510643390212878 ~1988
19510703390214078 ~1988
19510979390219598 ~1988
19511351390227038 ~1988
19512683390253678 ~1988
195131571170789439 ~1989
19513283390265678 ~1988
19513379390267598 ~1988
195135771170814639 ~1989
19513691390273838 ~1988
195137211170823279 ~1989
195141011170846079 ~1989
195141494683395779 ~1991
19514399390287998 ~1988
19514471390289438 ~1988
19515007347367124710 ~1993
19515803390316078 ~1988
19516103390322078 ~1988
19516151390323038 ~1988
Exponent Prime Factor Digits Year
19516751390335038 ~1988
19516823390336478 ~1988
19517051390341038 ~1988
195170811561366499 ~1989
19517171390343438 ~1988
19518683390373678 ~1988
19519319390386398 ~1988
19519823390396478 ~1988
19519931390398638 ~1988
19520339390406798 ~1988
19520843390416878 ~1988
195212171171273039 ~1989
19521731390434638 ~1988
195227391561819139 ~1989
195232491561859939 ~1989
19523639390472798 ~1988
19523891390477838 ~1988
195239211171435279 ~1989
19524359390487198 ~1988
19524443390488878 ~1988
19525223390504478 ~1988
195258171171549039 ~1989
19525823390516478 ~1988
195259071562072579 ~1989
19525931390518638 ~1988
1349
GIMPS The Prime Pages FactorDb.com
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24-10-27