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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
2438340234876680479 ~1997
2438409834876819679 ~1997
2438461914876923839 ~1997
2438522994877045999 ~1997
2438540634877081279 ~1997
243854893146312935910 ~1998
2438564394877128799 ~1997
2438617914877235839 ~1997
2438681394877362799 ~1997
2438854194877708399 ~1997
2438889234877778479 ~1997
2438917314877834639 ~1997
243895811195116648910 ~1998
243907877146344726310 ~1998
243910159243910159110 ~1998
2439118194878236399 ~1997
2439167034878334079 ~1997
2439186834878373679 ~1997
2439271794878543599 ~1997
2439345834878691679 ~1997
2439366834878733679 ~1997
2439417234878834479 ~1997
243944299243944299110 ~1998
243950209731850627110 ~1999
2439532194879064399 ~1997
Exponent Prime Factor Digits Year
2439583914879167839 ~1997
243963253146377951910 ~1998
243965441146379264710 ~1998
2439675834879351679 ~1997
2439686034879372079 ~1997
243969827195175861710 ~1998
2439780714879561439 ~1997
2439807714879615439 ~1997
2439814434879628879 ~1997
243983017146389810310 ~1998
2439932514879865039 ~1997
243997177146398306310 ~1998
243998873146399323910 ~1998
2440200714880401439 ~1997
2440286514880573039 ~1997
2440293234880586479 ~1997
2440308834880617679 ~1997
244035073146421043910 ~1998
244035557146421334310 ~1998
244038497146423098310 ~1998
244042573146425543910 ~1998
2440603914881207839 ~1997
2440621794881243599 ~1997
2440716714881433439 ~1997
2440782913368280415911 ~2001
Exponent Prime Factor Digits Year
2440809834881619679 ~1997
244082981146449788710 ~1998
244088681146453208710 ~1998
2440962834881925679 ~1997
2441028714882057439 ~1997
244109057146465434310 ~1998
2441102034882204079 ~1997
2441118594882237199 ~1997
244115093732345279110 ~1999
2441150994882301999 ~1997
2441191314882382639 ~1997
2441232594882465199 ~1997
2441233314882466639 ~1997
244129913146477947910 ~1998
2441394594882789199 ~1997
2441443914882887839 ~1997
2441462634882925279 ~1997
244156553146493931910 ~1998
2441580594883161199 ~1997
2441594514883189039 ~1997
2441660994883321999 ~1997
2441693634883387279 ~1997
2441737914883475839 ~1997
244174027244174027110 ~1998
244175599586021437710 ~1999
Exponent Prime Factor Digits Year
244178699195342959310 ~1998
244179997146507998310 ~1998
2441834634883669279 ~1997
2441950194883900399 ~1997
2441974914883949839 ~1997
2441984034883968079 ~1997
2442027671416376048711 ~2000
2442059093663088635111 ~2001
2442089994884179999 ~1997
244221907244221907110 ~1998
2442295194884590399 ~1997
2442380634884761279 ~1997
2442415794884831599 ~1997
2442455394884910799 ~1997
2442459834884919679 ~1997
2442485514884971039 ~1997
244249519244249519110 ~1998
2442531834885063679 ~1997
2442542994885085999 ~1997
2442626994885253999 ~1997
244263133146557879910 ~1998
2442645234885290479 ~1997
2442675594885351199 ~1997
2442684114885368239 ~1997
2442874434885748879 ~1997
3081
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25-12-14