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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
9918383198367678 ~1986
99184131388577839 ~1988
9918563198371278 ~1986
99186071586977139 ~1988
9918617793489378 ~1987
9918647793491778 ~1987
9919379198387598 ~1986
9919523198390478 ~1986
99196671785540079 ~1988
9919963142847467310 ~1990
9920159198403198 ~1986
9920303198406078 ~1986
9920411198408238 ~1986
9920951198419038 ~1986
9920957595257438 ~1987
9921311198426238 ~1986
99218032381232739 ~1988
9922043198440878 ~1986
99221111785979999 ~1988
9922277793782178 ~1987
9922403198448078 ~1986
9922571198451438 ~1986
99232991786193839 ~1988
9923701595422078 ~1987
99237892977136719 ~1988
Exponent Prime Factor Digits Year
99238039526850899 ~1990
9924179198483598 ~1986
9924263198485278 ~1986
9924457595467438 ~1987
9924671198493438 ~1986
9924899198497998 ~1986
9925031198500638 ~1986
99254718734414499 ~1990
9926023142934731310 ~1990
9926099198521998 ~1986
9926159198523198 ~1986
99261732382281539 ~1988
9926627794130178 ~1987
9926783198535678 ~1986
9927041595622478 ~1987
9927383198547678 ~1986
9927563198551278 ~1986
9928403198568078 ~1986
99290471787228479 ~1988
9929237595754238 ~1987
9929291198585838 ~1986
9929321595759278 ~1987
9929341595760478 ~1987
9929459198589198 ~1986
9929651198593038 ~1986
Exponent Prime Factor Digits Year
9929729794378338 ~1987
9929879198597598 ~1986
9929891198597838 ~1986
99298932383174339 ~1988
9929981595798878 ~1987
9930143198602878 ~1986
9930317595819038 ~1987
9930443198608878 ~1986
9931283198625678 ~1986
9931333595879998 ~1987
9931583198631678 ~1986
9931763198635278 ~1986
9931841595910478 ~1987
99321011589136179 ~1988
9932141595928478 ~1987
9932171198643438 ~1986
9932399198647998 ~1986
9932579198651598 ~1986
9932759198655198 ~1986
9932771198655438 ~1986
9932999198659998 ~1986
9933377596002638 ~1987
9933613596016798 ~1987
9933659198673198 ~1986
9933743198674878 ~1986
Exponent Prime Factor Digits Year
9933761794700898 ~1987
9933851198677038 ~1986
99338771589420339 ~1988
9933923198678478 ~1986
99339234172247679
9934031198680638 ~1986
9934147993414718 ~1987
9934163198683278 ~1986
9934181596050878 ~1987
9934583198691678 ~1986
9934811198696238 ~1986
9934877794790178 ~1987
9934943198698878 ~1986
9935291198705838 ~1986
9935797596147838 ~1987
9936071198721438 ~1986
9936071794885698
9936191198723838 ~1986
9936581596194878 ~1987
9936611198732238 ~1986
99366112583518879
99366318942967919 ~1990
99367331589877299 ~1988
9936977794958178 ~1987
9937253596235198 ~1987
977
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24-10-27