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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
627892311255784639 ~1992
627901311255802639 ~1992
627911031255822079 ~1992
627916396279163919 ~1994
627947991255895999 ~1992
627952791255905599 ~1992
627957173767743039 ~1993
627967431255934879 ~1992
627967613767805679 ~1993
627977991255955999 ~1992
627999231255998479 ~1992
628010031256020079 ~1992
628013511256027039 ~1992
628013631256027279 ~1992
628035715024285699 ~1993
628044111256088239 ~1992
628093613768561679 ~1993
628115275024922179 ~1993
628123911256247839 ~1992
628148031256296079 ~1992
628150191256300399 ~1992
628152533768915199 ~1993
628168013769008079 ~1993
628173831256347679 ~1992
628175413769052479 ~1993
Exponent Prime Factor Digits Year
628237911256475839 ~1992
628244173769465039 ~1993
628245773769474639 ~1993
628246911256493839 ~1992
628248231256496479 ~1992
628252911256505839 ~1992
628268391256536799 ~1992
628274631256549279 ~1992
628295173769771039 ~1993
628324911256649839 ~1992
628348791256697599 ~1992
628357613770145679 ~1993
628365831256731679 ~1992
628370031256740079 ~1992
628397391256794799 ~1992
628419231256838479 ~1992
628428831256857679 ~1992
628433511256867039 ~1992
628450373770702239 ~1993
628465191256930399 ~1992
628476773770860639 ~1993
628484631256969279 ~1992
628497111256994239 ~1992
628519911257039839 ~1992
628537613771225679 ~1993
Exponent Prime Factor Digits Year
628539076285390719 ~1994
628547511257095039 ~1992
628549973771299839 ~1993
628553991257107999 ~1992
628562031257124079 ~1992
628567911257135839 ~1992
628570311257140639 ~1992
628582213771493279 ~1993
628591191257182399 ~1992
628618911257237839 ~1992
628635533771813199 ~1993
62863921854949325710 ~1996
628664573771987439 ~1993
628672013772032079 ~1993
628675311257350639 ~1992
628678791257357599 ~1992
628720813772324879 ~1993
628722973772337839 ~1993
628733875029870979 ~1993
628746111257492239 ~1992
628761711257523439 ~1992
628762915030103299 ~1993
62876501603614409710 ~1996
628766173772597039 ~1993
628773231257546479 ~1992
Exponent Prime Factor Digits Year
628775991257551999 ~1992
628784511257569039 ~1992
628787031257574079 ~1992
628788591257577199 ~1992
628791111257582239 ~1992
628798911257597839 ~1992
628802991257605999 ~1992
628811511257623039 ~1992
628811631257623279 ~1992
628848231257696479 ~1992
628862031257724079 ~1992
628868391257736799 ~1992
628882133773292799 ~1993
628900311257800639 ~1992
62890297100624475310 ~1994
628906573773439439 ~1993
628912911257825839 ~1992
62892259113206066310 ~1994
628937391257874799 ~1992
62893801100630081710 ~1994
628958213773749279 ~1993
62896021289321696710 ~1995
628963431257926879 ~1992
628969191257938399 ~1992
628970631257941279 ~1992
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25-12-14