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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
2189908794379817599 ~1996
2189959434379918879 ~1996
2189959932102361532911 ~2000
2189962794379925599 ~1996
218997379218997379110 ~1998
2190051234380102479 ~1996
2190081234380162479 ~1996
2190117114380234239 ~1996
219013073131407843910 ~1997
219014023219014023110 ~1998
219029597131417758310 ~1997
2190349434380698879 ~1996
2190370794380741599 ~1996
219043679175234943310 ~1998
2190448794380897599 ~1996
219050771175240616910 ~1998
2190731394381462799 ~1996
2190755394381510799 ~1996
219089009525813621710 ~1999
2190938634381877279 ~1996
2190960714381921439 ~1996
2190966594381933199 ~1996
2191041834382083679 ~1996
219111463219111463110 ~1998
219113621131468172710 ~1997
Exponent Prime Factor Digits Year
219123833131474299910 ~1997
2191250514382501039 ~1996
2191303194382606399 ~1996
2191414794382829599 ~1996
219142657657427971110 ~1999
219143863219143863110 ~1998
219143921175315136910 ~1998
219146777131488066310 ~1997
2191564194383128399 ~1996
219158567175326853710 ~1998
219158837131495302310 ~1997
219159793131495875910 ~1997
2191641114383282239 ~1996
2191661634383323279 ~1996
2191685034383370079 ~1996
2191822794383645599 ~1996
219199133306878786310 ~1998
2191998594383997199 ~1996
2192030514384061039 ~1996
2192045994384091999 ~1996
2192050434384100879 ~1996
2192061594384123199 ~1996
219212927175370341710 ~1998
2192265714384531439 ~1996
2192274834384549679 ~1996
Exponent Prime Factor Digits Year
2192327034384654079 ~1996
219235771219235771110 ~1998
219237167175389733710 ~1998
2192389794384779599 ~1996
2192427594384855199 ~1996
219245417306943583910 ~1998
2192458914384917839 ~1996
219247447394645404710 ~1998
2192520234385040479 ~1996
219258311394664959910 ~1998
219260521131556312710 ~1997
2192667114385334239 ~1996
2192709594385419199 ~1996
219271919394689454310 ~1998
219275939175420751310 ~1998
2192808234385616479 ~1996
2192880714385761439 ~1996
2192933634385867279 ~1996
219296093131577655910 ~1997
2192967114385934239 ~1996
219302081175441664910 ~1998
2193036594386073199 ~1996
219308917131585350310 ~1997
219310391570207016710 ~1999
219327869175462295310 ~1998
Exponent Prime Factor Digits Year
219328981131597388710 ~1997
2193298794386597599 ~1996
2193373794386747599 ~1996
219339509526414821710 ~1999
219341201175472960910 ~1998
219341897131605138310 ~1997
219355187175484149710 ~1998
2193556794387113599 ~1996
219358037307101251910 ~1998
2193591834387183679 ~1996
2193611394387222799 ~1996
2193666594387333199 ~1996
2193702714387405439 ~1996
2193705834387411679 ~1996
2193732234387464479 ~1996
2193870714387741439 ~1996
2193892314387784639 ~1996
219393061131635836710 ~1997
2193989514387979039 ~1996
219402437131641462310 ~1997
2194059714388119439 ~1996
2194340634388681279 ~1996
219435023570531059910 ~1999
2194458234388916479 ~1996
219450397131670238310 ~1997
2875
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25-07-08