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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
221739019221739019110 ~1998
2217414834434829679 ~1996
221750041133050024710 ~1997
221759663532223191310 ~1999
2217659034435318079 ~1996
221766521177413216910 ~1998
221767747221767747110 ~1998
221774939177419951310 ~1998
2217940914435881839 ~1996
2218000314436000639 ~1996
2218072314436144639 ~1996
2218100034436200079 ~1996
2218102194436204399 ~1996
2218204194436408399 ~1996
221822383221822383110 ~1998
2218311114436622239 ~1996
221840233133104139910 ~1997
221843101488054822310 ~1999
2218449234436898479 ~1996
2218457634436915279 ~1996
2218469514436939039 ~1996
221849581133109748710 ~1997
221854729488080403910 ~1999
2218560594437121199 ~1996
2218566834437133679 ~1996
Exponent Prime Factor Digits Year
221862283221862283110 ~1998
2218771434437542879 ~1996
221877947177502357710 ~1998
2218784514437569039 ~1996
221878733310630226310 ~1998
221879347355006955310 ~1998
2218867194437734399 ~1996
2218880394437760799 ~1996
221902063221902063110 ~1998
221914019532593645710 ~1999
2219141394438282799 ~1996
2219142114438284239 ~1996
2219144634438289279 ~1996
221919559221919559110 ~1998
2219270034438540079 ~1996
2219303634438607279 ~1996
2219320194438640399 ~1996
2219399994438799999 ~1996
221947177133168306310 ~1997
2219499114438998239 ~1996
221955269310737376710 ~1998
221958857532701256910 ~1999
2219715594439431199 ~1996
2219750634439501279 ~1996
2219766594439533199 ~1996
Exponent Prime Factor Digits Year
2219794194439588399 ~1996
2219816034439632079 ~1996
221987737133192642310 ~1997
2219939634439879279 ~1996
221994659177595727310 ~1998
2219977914439955839 ~1996
2220078714440157439 ~1996
2220088794440177599 ~1996
2220133314440266639 ~1996
222020857133212514310 ~1997
222023983355238372910 ~1998
2220252834440505679 ~1996
2220314514440629039 ~1996
2220420594440841199 ~1996
222050953133230571910 ~1997
2220577794441155599 ~1996
222058303222058303110 ~1998
2220587994441175999 ~1996
2220633114441266239 ~1996
2220674634441349279 ~1996
222068299222068299110 ~1998
222070973310899362310 ~1998
222080459532993101710 ~1999
2220922314441844639 ~1996
222095023755123078310 ~1999
Exponent Prime Factor Digits Year
2220956514441913039 ~1996
2220963594441927199 ~1996
2220967794441935599 ~1996
222102653310943714310 ~1998
222104789177683831310 ~1998
2221098594442197199 ~1996
222112307399802152710 ~1999
222116341133269804710 ~1997
2221200714442401439 ~1996
2221222914442445839 ~1996
222131417133278850310 ~1997
2221347234442694479 ~1996
2221357314442714639 ~1996
2221368234442736479 ~1996
2221424394442848799 ~1996
2221441794442883599 ~1996
2221447434442894879 ~1996
2221486914442973839 ~1996
222151757177721405710 ~1998
2221549676442494043111 ~2001
2221600914443201839 ~1996
2221749834443499679 ~1996
2221768794443537599 ~1996
222192151222192151110 ~1998
2221946634443893279 ~1996
2821
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25-05-04