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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
16651259333025198 ~1987
16651331333026638 ~1987
166514691332117539 ~1989
16651981999118878 ~1989
166521431665214319 ~1989
166528276661130819 ~1991
16653179333063598 ~1987
16653551333071038 ~1987
16654283333085678 ~1987
166544894996346719 ~1990
16654501999270078 ~1989
16654633999277998 ~1989
16655543333110878 ~1987
16656119333122398 ~1987
16656203333124078 ~1987
16656239333124798 ~1987
166563613664399439 ~1990
16656371333127438 ~1987
16656683333133678 ~1987
166569711332557699 ~1989
16657477999448638 ~1989
166574777995588979
16658783333175678 ~1987
16659353999561198 ~1989
166594812665516979 ~1990
Exponent Prime Factor Digits Year
16659491333189838 ~1987
16659563333191278 ~1987
166597072998747279 ~1990
16659743333194878 ~1987
16660151333203038 ~1987
16660439333208798 ~1987
16661363333227278 ~1987
16661531333230638 ~1987
166617411332939299 ~1989
16662011333240238 ~1987
16662203333244078 ~1987
166626374998791119 ~1990
16663033999781998 ~1989
16663103333262078 ~1987
16663271333265438 ~1987
16664057999843438 ~1989
166641613666115439 ~1990
166644114332746879 ~1990
16664801999888078 ~1989
166648071333184579 ~1989
16664831333296638 ~1987
16664933999895998 ~1989
16665371333307438 ~1987
16666319333326398 ~1987
16667291333345838 ~1987
Exponent Prime Factor Digits Year
16667699333353998 ~1987
166677731000066399 ~1989
16668419333368398 ~1987
166684671333477379 ~1989
166690971000145839 ~1989
16669223333384478 ~1987
16669283333385678 ~1987
166693611333548899 ~1989
166695292333734079 ~1989
16669799333395998 ~1987
166698131000188799 ~1989
166700391333603139 ~1989
166700771000204639 ~1989
166702331000213999 ~1989
16670257426758579310 ~1993
16670399333407998 ~1987
16670603333412078 ~1987
16670663333413278 ~1987
16671503333430078 ~1987
16671731333434638 ~1987
16671779333435598 ~1987
16671899333437998 ~1987
16672391333447838 ~1987
166724713001044799 ~1990
16672499333449998 ~1987
Exponent Prime Factor Digits Year
16672511333450238 ~1987
16672679333453598 ~1987
166729611333836899 ~1989
16673339333466798 ~1987
166734011000404079 ~1989
166740171000441039 ~1989
16674631120057343310 ~1991
166749411000496479 ~1989
16675091333501838 ~1987
16675259333505198 ~1987
166753011000518079 ~1989
16675619333512398 ~1987
166757091334056739 ~1989
16675859333517198 ~1987
16675979333519598 ~1987
166760177670967839 ~1991
166762732334678239 ~1989
166763211000579279 ~1989
166764171334113379 ~1989
166765795336505299 ~1990
166770611000623679 ~1989
166772091334176739 ~1989
16677239333544798 ~1987
16677299333545998 ~1987
16677779333555598 ~1987
1356
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25-12-14