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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
199622699359320858310 ~1998
199628321598884963110 ~1999
199629389159703511310 ~1997
1996300193992600399 ~1996
199635479159708383310 ~1997
1996359113992718239 ~1996
199639949598919847110 ~1999
1996417793992835599 ~1996
1996432193992864399 ~1996
199644437279502211910 ~1998
1996516433993032879 ~1996
199661467199661467110 ~1998
1996699372076567344911 ~2000
199681829159745463310 ~1997
1996821833993643679 ~1996
199683661439304054310 ~1998
1996871393993742799 ~1996
1996927913993855839 ~1996
1996940393993880799 ~1996
1996957313993914639 ~1996
1997018513994037039 ~1996
1997033513994067039 ~1996
1997041433994082879 ~1996
1997094233994188479 ~1996
1997110793994221599 ~1996
Exponent Prime Factor Digits Year
199714241119828544710 ~1997
1997175713994351439 ~1996
199718201599154603110 ~1999
1997186633994373279 ~1996
199725377159780301710 ~1997
199726061159780848910 ~1997
1997302313994604639 ~1996
1997338193994676399 ~1996
1997400713994801439 ~1996
1997443793994887599 ~1996
1997495513994991039 ~1996
1997504033995008079 ~1996
199757167199757167110 ~1998
1997627633995255279 ~1996
199767599159814079310 ~1997
1997720033995440079 ~1996
1997770793995541599 ~1996
199792603199792603110 ~1998
1997930033995860079 ~1996
199796453119877871910 ~1997
199798321119878992710 ~1997
1997991113995982239 ~1996
199799891159839912910 ~1997
1998034913996069839 ~1996
1998261971398783379111 ~2000
Exponent Prime Factor Digits Year
1998265313996530639 ~1996
1998278633996557279 ~1996
1998337793996675599 ~1996
199838677119903206310 ~1997
1998562913997125839 ~1996
199856537479655688910 ~1998
1998636233997272479 ~1996
1998649433997298879 ~1996
1998678833997357679 ~1996
1998695033997390079 ~1996
199870883999354415110 ~1999
1998750593997501199 ~1996
199875463199875463110 ~1998
1998832913997665839 ~1996
199889939159911951310 ~1997
1998926393997852799 ~1996
1999046513998093039 ~1996
1999092713998185439 ~1996
199910597119946358310 ~1997
199913221119947932710 ~1997
1999157993998315999 ~1996
1999171313998342639 ~1996
199929151359872471910 ~1998
199931717119959030310 ~1997
199936837119962102310 ~1997
Exponent Prime Factor Digits Year
199939769159951815310 ~1997
1999414193998828399 ~1996
1999497593998995199 ~1996
1999527713999055439 ~1996
199953493119972095910 ~1997
1999538993999077999 ~1996
199969697119981818310 ~1997
1999748393999496799 ~1996
1999789913999579839 ~1996
199988801119993280710 ~1997
199992887359987196710 ~1998
1999946033999892079 ~1996
199997641319996225710 ~1998
2000008194000016399 ~1996
200007917120004750310 ~1997
2000093394000186799 ~1996
2000093634000187279 ~1996
200010077160008061710 ~1997
2000168634000337279 ~1996
200016907200016907110 ~1998
2000202114000404239 ~1996
2000261634000523279 ~1996
2000313234000626479 ~1996
2000342394000684799 ~1996
2000395314000790639 ~1996
2771
GIMPS The Prime Pages FactorDb.com
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25-05-04