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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
319872371919234239 ~1991
31987451639749038 ~1990
31987643639752878 ~1990
31988459639769198 ~1990
31988471639769438 ~1990
31988639639772798 ~1990
319891371919348239 ~1991
31989311639786238 ~1990
31990943639818878 ~1990
31991423639828478 ~1990
31991471639829438 ~1990
31991759639835198 ~1990
319918792559350339 ~1991
31992203639844078 ~1990
31992683639853678 ~1990
31992791639855838 ~1990
319929592559436739 ~1991
31993259639865198 ~1990
31993679639873598 ~1990
31993823639876478 ~1990
319941172559529379 ~1991
31994939639898798 ~1990
319949531919697199 ~1991
31994999639899998 ~1990
31995839639916798 ~1990
Exponent Prime Factor Digits Year
319963372559706979 ~1991
31996403639928078 ~1990
31996799639935998 ~1990
319970931919825599 ~1991
31997183639943678 ~1990
31997351639947038 ~1990
31998143639962878 ~1990
31998371639967438 ~1990
31998779639975598 ~1990
319990131919940799 ~1991
31999139639982798 ~1990
31999199639983998 ~1990
319992771919956639 ~1991
31999403639988078 ~1990
319996192559969539 ~1991
31999631639992638 ~1990
31999829767995896110 ~1995
32000651640013038 ~1990
32002163640043278 ~1990
32002343640046878 ~1990
32002991640059838 ~1990
32003519640070398 ~1990
32004383640087678 ~1990
32004671640093438 ~1990
32005511640110238 ~1990
Exponent Prime Factor Digits Year
32005559640111198 ~1990
32005691640113838 ~1990
320059931920359599 ~1991
320063475121015539 ~1992
32006783640135678 ~1990
32007263640145278 ~1990
32007383640147678 ~1990
32007491640149838 ~1990
32007791640155838 ~1990
320079011920474079 ~1991
320080134481121839 ~1992
32008043640160878 ~1990
32008703640174078 ~1990
32008871640177438 ~1990
320094011920564079 ~1991
32009459640189198 ~1990
32010743640214878 ~1990
32011079640221598 ~1990
32011103640222078 ~1990
32011151640223038 ~1990
32011211640224238 ~1990
320113611920681679 ~1991
32012483640249678 ~1990
32012639640252798 ~1990
32012671665863556910 ~1995
Exponent Prime Factor Digits Year
32012999640259998 ~1990
320132692561061539 ~1991
32014331640286638 ~1990
32014739640294798 ~1990
32015051640301038 ~1990
32015519640310398 ~1990
32015531640310638 ~1990
32015891640317838 ~1990
32016791313764551910 ~1994
32017439640348798 ~1990
320178011921068079 ~1991
32017871640357438 ~1990
32018699640373998 ~1990
320192835123085299 ~1992
32019863640397278 ~1990
320204331921225999 ~1991
320204473202044719 ~1991
32020463640409278 ~1990
32020811640416238 ~1990
32021351640427038 ~1990
32022059640441198 ~1990
32022671640453438 ~1990
32023451640469038 ~1990
32023619640472398 ~1990
32023679640473598 ~1990
1883
GIMPS The Prime Pages FactorDb.com
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26-03-15