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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
180513531083081199 ~1989
18051503361030078 ~1988
180517694332424579 ~1990
180520611083123679 ~1989
18052103361042078 ~1988
180526513249477199 ~1990
180529873249537679 ~1990
18054983361099678 ~1988
180550434333210339 ~1990
18055679361113598 ~1988
180559931083359599 ~1989
180559972527839599 ~1990
18056063361121278 ~1988
180563211083379279 ~1989
18056723361134478 ~1988
18056903361138078 ~1988
18056939361138798 ~1988
180571871805718719 ~1989
18057551361151038 ~1988
180575511444604099
18057839361156798 ~1988
18058091361161838 ~1988
180581772889308339 ~1990
18058223361164478 ~1988
18058499361169998 ~1988
Exponent Prime Factor Digits Year
180603731083622399 ~1989
180606411444851299 ~1989
18060683361213678 ~1988
18060923361218478 ~1988
18061163361223278 ~1988
18061643361232878 ~1988
18061859361237198 ~1988
180624791806247919 ~1989
18062651361253038 ~1988
18062699361253998 ~1988
18063599361271998 ~1988
180638834335331939 ~1990
18064283361285678 ~1988
180643491445147939 ~1989
180650771083904639 ~1989
180652217226088419 ~1991
18066179361323598 ~1988
18066479361329598 ~1988
180668211445345699 ~1989
180670331084021999 ~1989
18067631361352638 ~1988
180679611445436899 ~1989
18068279361365598 ~1988
18068483361369678 ~1988
18068579361371598 ~1988
Exponent Prime Factor Digits Year
18068651361373038 ~1988
18069119361382398 ~1988
180691694336600579 ~1990
18069371361387438 ~1988
18069983361399678 ~1988
180702531084215199 ~1989
18070259361405198 ~1988
180704771084228639 ~1989
180708171084249039 ~1989
18071159361423198 ~1988
18071639361432798 ~1988
18071699361433998 ~1988
180717411084304479 ~1989
18071771361435438 ~1988
180717711445741699
180717971084307839 ~1989
18072557198798127110 ~1992
180727636144739439 ~1991
18073259361465198 ~1988
18073283307245811110 ~1992
18073463361469278 ~1988
180735111445880899 ~1989
18073619361472398 ~1988
18073823361476478 ~1988
18073859361477198 ~1988
Exponent Prime Factor Digits Year
18074099361481998 ~1988
18074411361488238 ~1988
18074579361491598 ~1988
18074783361495678 ~1988
18075191361503838 ~1988
18075503361510078 ~1988
18075899361517998 ~1988
180770477230818819 ~1991
18077051361541038 ~1988
18077291361545838 ~1988
18077639361552798 ~1988
18077879361557598 ~1988
180779571446236579 ~1989
18078491361569838 ~1988
18078779361575598 ~1988
180791532892664499 ~1990
18079343361586878 ~1988
18079739361594798 ~1988
18080399361607998 ~1988
18080459361609198 ~1988
18080999361619998 ~1988
18081023361620478 ~1988
180810971084865839 ~1989
180814319040715519 ~1991
180822011084932079 ~1989
1351
GIMPS The Prime Pages FactorDb.com
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25-05-04