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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
44098471812645908308711 ~2007
4409886731881977346310 ~2006
4410046451882009290310 ~2006
441013443774090258541712 ~2011
4410252551882050510310 ~2006
4410286883882057376710 ~2006
4410591491882118298310 ~2006
4410662363882132472710 ~2006
4410790271882158054310 ~2006
4410823559882164711910 ~2006
4410900731882180146310 ~2006
4411106279882221255910 ~2006
4411200011882240002310 ~2006
4411653131882330626310 ~2006
4412054303882410860710 ~2006
44122222073529777765711 ~2008
44123057717942150387911 ~2009
44124195732647451743911 ~2007
44126202732647572163911 ~2007
44127524474412752447111 ~2008
44127999296177919900711 ~2008
4413085823882617164710 ~2006
44133480612648008836711 ~2007
44138628412648317704711 ~2007
44138732812648323968711 ~2007
Exponent Prime Factor Digits Year
44142685812648561148711 ~2007
44142869273531429541711 ~2008
44146386917063421905711 ~2009
4415007659883001531910 ~2006
44152014314415201431111 ~2008
4415217503883043500710 ~2006
44153047493532243799311 ~2008
44155679212649340752711 ~2007
4415602283883120456710 ~2006
44157103496181994488711 ~2008
4415739371883147874310 ~2006
4415816831883163366310 ~2006
441581748113247452443112 ~2009
4415840003883168000710 ~2006
441595373932678057668712 ~2010
44159540093532763207311 ~2008
44159644577065543131311 ~2009
4416170963883234192710 ~2006
441647838710599548128912 ~2009
44167187993533375039311 ~2008
4416756059883351211910 ~2006
4417376231883475246310 ~2006
44174575013533966000911 ~2008
4417500599883500119910 ~2006
4417617131883523426310 ~2006
Exponent Prime Factor Digits Year
4417684343883536868710 ~2006
4417811663883562332710 ~2006
4418069399883613879910 ~2006
4418274851883654970310 ~2006
4418322131883664426310 ~2006
44186044337069767092911 ~2009
44186193434418619343111 ~2008
44187062212651223732711 ~2008
4418786363883757272710 ~2006
4418951759883790351910 ~2006
44189666936186553370311 ~2008
4418973719883794743910 ~2006
44192208773535376701711 ~2008
441941885914142140348912 ~2009
441954941310606918591312 ~2009
4420074959884014991910 ~2006
4420209743884041948710 ~2006
44202361673536188933711 ~2008
44202715732652162943911 ~2008
4420363151884072630310 ~2006
44205321012652319260711 ~2008
4421026223884205244710 ~2006
44210575274421057527111 ~2008
4421090963884218192710 ~2006
4421262971884252594310 ~2006
Exponent Prime Factor Digits Year
44213338997958401018311 ~2009
4421338511884267702310 ~2006
4421381771884276354310 ~2006
442139720910611353301712 ~2009
44214410714421441071111 ~2008
4421695991884339198310 ~2006
4421733611884346722310 ~2006
44217431714421743171111 ~2008
44218053372653083202311 ~2008
442188154710612515712912 ~2009
4421977211884395442310 ~2006
4421994959884398991910 ~2006
4422000743884400148710 ~2006
4422089783884417956710 ~2006
4422094763884418952710 ~2006
44222100536191094074311 ~2008
44223042977075686875311 ~2009
4422332339884466467910 ~2006
44223345972653400758311 ~2008
4422557351884511470310 ~2006
4422578879884515775910 ~2006
4422616463884523292710 ~2006
4422620591884524118310 ~2006
44230268212653816092711 ~2008
4423142123884628424710 ~2006
4071
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25-06-01