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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
27833430698355666861396712 ~2020
2783374920893061...12979114 2024
2783618303392894...35525714 2024
27836504261955673008523912 ~2020
27836683721955673367443912 ~2020
27837088783155674177566312 ~2020
27837370067955674740135912 ~2020
27842356670355684713340712 ~2020
2784240828832411...77667915 2025
27843860869155687721738312 ~2020
2784484781411999...30523915 2025
2784578701394511...96251914 2024
27846880093155693760186312 ~2020
27855242519955710485039912 ~2020
27857380669155714761338312 ~2020
27860697509955721395019912 ~2020
27862211624355724423248712 ~2020
27862543640355725087280712 ~2020
27863207900355726415800712 ~2020
27870182033955740364067912 ~2020
27870398311155740796622312 ~2020
27871058803155742117606312 ~2020
27877072379955754144759912 ~2020
27884666672355769333344712 ~2020
27887430673155774861346312 ~2020
Exponent Prime Factor Dig. Year
27891335123955782670247912 ~2020
27891613429155783226858312 ~2020
27896305823955792611647912 ~2020
27896470027155792940054312 ~2020
2789946068899151...05959314 2025
27902453210355804906420712 ~2020
27902632555155805265110312 ~2020
2790316930813515...32820714 2024
2790862513991618...58114314 2024
27909190253955818380507912 ~2020
27910041601155820083202312 ~2020
27911638079955823276159912 ~2020
27915311252355830622504712 ~2020
27917665969155835331938312 ~2020
2791803350871340...08417714 2024
27919433180355838866360712 ~2020
27920364353955840728707912 ~2020
27922567553955845135107912 ~2020
27923746082355847492164712 ~2020
27925572146355851144292712 ~2020
2792589557694244...27688914 2024
27926596898355853193796712 ~2020
27927841229955855682459912 ~2020
2792988799011564...27445714 2024
2793304315433184...19590314 2024
Exponent Prime Factor Dig. Year
27936028451955872056903912 ~2020
27936445307955872890615912 ~2020
27944181133155888362266312 ~2020
27945937889955891875779912 ~2020
27947871841155895743682312 ~2020
2795031925311341...24148914 2024
27950946601155901893202312 ~2020
27964957217955929914435912 ~2020
27965554199955931108399912 ~2020
27969485330355938970660712 ~2020
27969566785155939133570312 ~2020
27973185517155946371034312 ~2020
27974085134355948170268712 ~2020
27975172939155950345878312 ~2020
27975444739155950889478312 ~2020
27976755020355953510040712 ~2020
27984385244355968770488712 ~2020
27984534901155969069802312 ~2020
2798635228671343...09761714 2024
27992116253955984232507912 ~2020
27993475585155986951170312 ~2020
27995645761155991291522312 ~2020
27996352598355992705196712 ~2020
27999595861155999191722312 ~2020
28000474265956000948531912 ~2020
Exponent Prime Factor Dig. Year
28000765507156001531014312 ~2020
28005777920356011555840712 ~2020
28006229815156012459630312 ~2020
28012937911156025875822312 ~2020
28014567698356029135396712 ~2020
28016175329956032350659912 ~2020
28017342134356034684268712 ~2020
28017692095156035384190312 ~2020
28021224008356042448016712 ~2020
28021803865156043607730312 ~2020
28023592093156047184186312 ~2020
2802748190399473...83518314 2025
28029084038356058168076712 ~2020
2803197177611541...76855115 2023
28034406605956068813211912 ~2020
28036334447956072668895912 ~2020
28037612360356075224720712 ~2020
28038017729956076035459912 ~2020
28041287480356082574960712 ~2020
28042457501956084915003912 ~2020
28050485737156100971474312 ~2020
28051871953156103743906312 ~2020
28052268029956104536059912 ~2020
28053884321956107768643912 ~2020
28054162861156108325722312 ~2020
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25-05-04