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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
555556791111113599 ~1991
555571791111143599 ~1991
555574213333445279 ~1993
555577911111155839 ~1991
555578631111157279 ~1991
555583338889333299 ~1994
555584274444674179 ~1993
555604133333624799 ~1993
555604431111208879 ~1991
555610431111220879 ~1991
555612831111225679 ~1991
555630231111260479 ~1991
555648773333892639 ~1993
555656631111313279 ~1991
555657591111315199 ~1991
555678173334069039 ~1993
555685311111370639 ~1991
555705231111410479 ~1991
555717773334306639 ~1993
555723294445786339 ~1993
555732373334394239 ~1993
555736311111472639 ~1991
555744711111489439 ~1991
55574627144494030310 ~1994
555761274446090179 ~1993
Exponent Prime Factor Digits Year
555782694446261539 ~1993
555799431111598879 ~1991
555829573334977439 ~1993
555835431111670879 ~1991
555835791111671599 ~1991
555849111111698239 ~1991
555849831111699679 ~1991
55591297166773891110 ~1994
555920391111840799 ~1991
555934911111869839 ~1991
555948231111896479 ~1991
555952311111904639 ~1991
555954711111909439 ~1991
555975111111950239 ~1991
555977773335866639 ~1993
555991074447928579 ~1993
555993111111986239 ~1991
555996111111992239 ~1991
556008231112016479 ~1991
556032831112065679 ~1991
556056591112113199 ~1991
556058178896930739 ~1994
556066791112133599 ~1991
556067511112135039 ~1991
556070991112141999 ~1991
Exponent Prime Factor Digits Year
55609493400388349710 ~1995
55610041122342090310 ~1994
556102311112204639 ~1991
556107711112215439 ~1991
55611547266935425710 ~1995
556116231112232479 ~1991
556130031112260079 ~1991
556145511112291039 ~1991
556159911112319839 ~1991
55616669266960011310 ~1995
556170111112340239 ~1991
556173711112347439 ~1991
556193511112387039 ~1991
556195191112390399 ~1991
556197711112395439 ~1991
556208991112417999 ~1991
556210311112420639 ~1991
556220413337322479 ~1993
556225431112450879 ~1991
556226031112452079 ~1991
556229991112459999 ~1991
556234431112468879 ~1991
556240911112481839 ~1991
556242591112485199 ~1991
556243791112487599 ~1991
Exponent Prime Factor Digits Year
556246373337478239 ~1993
55625831100126495910 ~1994
556264191112528399 ~1991
556267311112534639 ~1991
556267733337606399 ~1993
556277031112554079 ~1991
556277511112555039 ~1991
556292631112585279 ~1991
556295994450367939 ~1993
556298631112597279 ~1991
556299111112598239 ~1991
556311111112622239 ~1991
55631161122388554310 ~1994
556313511112627039 ~1991
556326111112652239 ~1991
55634617433950012710 ~1995
55635061166905183110 ~1994
556359894450879139 ~1993
556369573338217439 ~1993
556373631112747279 ~1991
556389111112778239 ~1991
556409991112819999 ~1991
556415631112831279 ~1991
556426674451413379 ~1993
556439331780605856111 ~1997
2092
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25-04-13