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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
3925067397850134799 ~1998
392509373235505623910 ~1999
3925172997850345999 ~1998
3925235397850470799 ~1998
3925362237850724479 ~1998
392549837314039869710 ~2000
3925578837851157679 ~1998
3925597437851194879 ~1998
3925669735967017989711 ~2003
3925773597851547199 ~1998
392587417235552450310 ~1999
3926016597852033199 ~1998
3926026191963013095111 ~2002
3926244117852488239 ~1998
392629529549681340710 ~2000
3926400717852801439 ~1998
3926558997853117999 ~1998
392667131314133704910 ~2000
3926986437853972879 ~1998
392706707314165365710 ~2000
3927070797854141599 ~1998
3927325197854650399 ~1998
3927574817462392139111 ~2003
3927739197855478399 ~1998
3927821997855643999 ~1998
Exponent Prime Factor Digits Year
3928040037856080079 ~1998
392811541235686924710 ~1999
392811767942748240910 ~2001
392814703392814703110 ~2000
3928154997856309999 ~1998
3928202997856405999 ~1998
3928258197856516399 ~1998
3928353237856706479 ~1998
392843593628549748910 ~2000
3928494732828516205711 ~2002
3928595397857190799 ~1998
3928633437857266879 ~1998
392868937235721362310 ~1999
392883061235729836710 ~1999
3928892713221692022311 ~2002
3928936917857873839 ~1998
392901017314320813710 ~2000
3929042037858084079 ~1998
392912501235747500710 ~1999
3929209197858418399 ~1998
392924171314339336910 ~2000
3929405037858810079 ~1998
3929776197859552399 ~1998
392988161235792896710 ~1999
392995243943188583310 ~2001
Exponent Prime Factor Digits Year
3929972476052157603911 ~2003
3930053397860106799 ~1998
393005849550208188710 ~2000
3930088797860177599 ~1998
3930364911650753262311 ~2001
3930433797860867599 ~1998
3930734517861469039 ~1998
393081967628931147310 ~2000
3930835917861671839 ~1998
3930849597861699199 ~1998
3931000797862001599 ~1998
3931050717862101439 ~1998
3931126917862253839 ~1998
393125581235875348710 ~1999
393136361235881816710 ~1999
3931380597862761199 ~1998
393166381235899828710 ~1999
3931767837863535679 ~1998
393187559314550047310 ~2000
393191033550467446310 ~2000
3931934997863869999 ~1998
393225221235935132710 ~1999
3932296197864592399 ~1998
3932319597864639199 ~1998
3932653197865306399 ~1998
Exponent Prime Factor Digits Year
3932877117865754239 ~1998
3932901237865802479 ~1998
393296801314637440910 ~2000
3932974917865949839 ~1998
3933043917866087839 ~1998
3933211917866423839 ~1998
3933225117866450239 ~1998
3933257637866515279 ~1998
3933352317866704639 ~1998
3933478797866957599 ~1998
393350779393350779110 ~2000
393358081236014848710 ~1999
3933619317867238639 ~1998
393367991314694392910 ~2000
3933731997867463999 ~1998
3933749637867499279 ~1998
3933785397867570799 ~1998
393415993236049595910 ~1999
3934174437868348879 ~1998
3934278237868556479 ~1998
3934600437869200879 ~1998
393461813236077087910 ~1999
3934711917869423839 ~1998
3934799037869598079 ~1998
3934818717869637439 ~1998
3125
GIMPS The Prime Pages FactorDb.com
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25-06-08