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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 Dig. Year
18634527818337269055636712 ~2019
18635161304337270322608712 ~2019
18637155503937274311007912 ~2019
18638185253937276370507912 ~2019
18639339254337278678508712 ~2019
18639570752337279141504712 ~2019
18640157641137280315282312 ~2019
18640746583137281493166312 ~2019
18640913827137281827654312 ~2019
18641233093137282466186312 ~2019
18641755853937283511707912 ~2019
18643505263137287010526312 ~2019
18643997323137287994646312 ~2019
18644666906337289333812712 ~2019
18645184421937290368843912 ~2019
18646350247137292700494312 ~2019
18647732192337295464384712 ~2019
18649014029937298028059912 ~2019
18649549529937299099059912 ~2019
1865053203611343...52136716 2025
18653857633137307715266312 ~2019
18654264074337308528148712 ~2019
18654490361937308980723912 ~2019
18658481759937316963519912 ~2019
18662125553937324251107912 ~2019
Exponent Prime Factor Dig. Year
18662919475137325838950312 ~2019
18663794869137327589738312 ~2019
18666357518337332715036712 ~2019
18667747934337335495868712 ~2019
18670944845937341889691912 ~2019
18672171143937344342287912 ~2019
18672465007137344930014312 ~2019
18672951905937345903811912 ~2019
18674270851137348541702312 ~2019
1867450695592278...48619914 2024
18674915189937349830379912 ~2019
18677249989137354499978312 ~2019
18678363893937356727787912 ~2019
18679546985937359093971912 ~2019
18679680011937359360023912 ~2019
18679990880337359981760712 ~2019
18681289871937362579743912 ~2019
18681527576337363055152712 ~2019
18681570011937363140023912 ~2019
18681948608337363897216712 ~2019
18682135649937364271299912 ~2019
18682773224337365546448712 ~2019
1868376993437361...54114314 2026
18684464995137368929990312 ~2019
18685006723137370013446312 ~2019
Exponent Prime Factor Dig. Year
18685277000337370554000712 ~2019
18686322434337372644868712 ~2019
18686774341137373548682312 ~2019
18688017937137376035874312 ~2019
18688760687937377521375912 ~2019
18689342273937378684547912 ~2019
18689581292337379162584712 ~2019
18690412061937380824123912 ~2019
18694166483937388332967912 ~2019
1869604862417627...38632914 2025
18696492326337392984652712 ~2019
18697017787137394035574312 ~2019
18698424503937396849007912 ~2019
18698457788337396915576712 ~2019
18699578323137399156646312 ~2019
18700392199137400784398312 ~2019
18701574983937403149967912 ~2019
18702804433137405608866312 ~2019
1870392896873927...83427114 2023
1870644977991422...26799916 2025
18707392400337414784800712 ~2019
18707579239137415158478312 ~2019
18709997252337419994504712 ~2019
18710881124337421762248712 ~2019
18712762568337425525136712 ~2019
Exponent Prime Factor Dig. Year
18715219232337430438464712 ~2019
18716009663937432019327912 ~2019
18716188529937432377059912 ~2019
18716279234337432558468712 ~2019
18716565590337433131180712 ~2019
18717466783137434933566312 ~2019
18717592532337435185064712 ~2019
18717708989937435417979912 ~2019
18718867301937437734603912 ~2019
1871972989976851...43290314 2025
18721026163137442052326312 ~2019
18722556434337445112868712 ~2019
1872295713291048...94424115 2025
1872387812538837...75141714 2025
18724975622337449951244712 ~2019
18726128945937452257891912 ~2019
18726402227937452804455912 ~2019
18726895430337453790860712 ~2019
18727536511137455073022312 ~2019
18731279465937462558931912 ~2019
18731388308337462776616712 ~2019
18732000637137464001274312 ~2019
18734952517137469905034312 ~2019
18735267067137470534134312 ~2019
18736031156337472062312712 ~2019
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26-03-15