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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
2102049714204099439 ~1996
210215627378388128710 ~1998
2102157114204314239 ~1996
2102160594204321199 ~1996
210217061168173648910 ~1997
2102182794204365599 ~1996
2102196234204392479 ~1996
210225347168180277710 ~1997
2102295594204591199 ~1996
210232553126139531910 ~1997
2102356314204712639 ~1996
2102367834204735679 ~1996
210240101168192080910 ~1997
2102403234204806479 ~1996
210241303336386084910 ~1998
2102468634204937279 ~1996
2102515434205030879 ~1996
2102519394205038799 ~1996
2102564691682051752111 ~2000
2102594634205189279 ~1996
210259877168207901710 ~1997
2102598834205197679 ~1996
2102650194205300399 ~1996
2102745834205491679 ~1996
2102788194205576399 ~1996
Exponent Prime Factor Digits Year
210283399378510118310 ~1998
2102871114205742239 ~1996
2102941794205883599 ~1996
2103027594206055199 ~1996
2103074034206148079 ~1996
2103176034206352079 ~1996
2103179413996040879111 ~2001
2103248394206496799 ~1996
210327379883374991910 ~1999
210330413126198247910 ~1997
2103593394207186799 ~1996
210362017126217210310 ~1997
2103620394207240799 ~1996
210363281126217968710 ~1997
2103645714207291439 ~1996
2103728394207456799 ~1996
2103746394207492799 ~1996
2103823431051911715111 ~1999
210384709462846359910 ~1999
210385837126231502310 ~1997
2103868434207736879 ~1996
2103871194207742399 ~1996
210389351378700831910 ~1998
210390319504936765710 ~1999
2104006914208013839 ~1996
Exponent Prime Factor Digits Year
2104140594208281199 ~1996
2104175634208351279 ~1996
210424393505018543310 ~1999
2104294314208588639 ~1996
2104309434208618879 ~1996
2104404594208809199 ~1996
2104473114208946239 ~1996
2104498914208997839 ~1996
2104537914209075839 ~1996
210458537126275122310 ~1997
210459287168367429710 ~1997
210466877126280126310 ~1997
2104681194209362399 ~1996
2104689834209379679 ~1996
2104724034209448079 ~1996
2104767714209535439 ~1996
2104777794209555599 ~1996
2104814514209629039 ~1996
2104830114209660239 ~1996
210494497126296698310 ~1997
2104998714209997439 ~1996
210503539210503539110 ~1998
2105062211473543547111 ~2000
2105091714210183439 ~1996
2105144394210288799 ~1996
Exponent Prime Factor Digits Year
2105195394210390799 ~1996
2105206314210412639 ~1996
2105233314210466639 ~1996
210524507168419605710 ~1997
2105282394210564799 ~1996
210536297126321778310 ~1997
2105392914210785839 ~1996
2105431914210863839 ~1996
2105434914210869839 ~1996
2105468514210937039 ~1996
2105487114210974239 ~1996
2105492394210984799 ~1996
2105578391726574279911 ~2000
210566959210566959110 ~1998
210567941126340764710 ~1997
2105697594211395199 ~1996
210579587168463669710 ~1997
210582461126349476710 ~1997
2105899794211799599 ~1996
2105905314211810639 ~1996
2105920434211840879 ~1996
2105938794211877599 ~1996
2106010434212020879 ~1996
210601093126360655910 ~1997
210616633126369979910 ~1997
2796
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25-05-04