Home e-mail
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.
Exp. Prime Factor Digits Year
4836173290170398 ~1984
48361731160681539
4836193290171598 ~1984
4836257290175438 ~1984
483656396731277 ~1983
4836737290204238 ~1984
483674396734877 ~1983
4836809386944738 ~1985
483722396744477 ~1983
4837277677218798 ~1985
483733196746637 ~1983
48374231644723839 ~1986
483749996749997 ~1983
483755996751197 ~1983
4837649387011938 ~1985
48377172322104179 ~1987
48377691161064579 ~1986
483788396757677 ~1983
4837967387037378 ~1985
483799196759837 ~1983
4838033290281998 ~1984
4838279387062338 ~1985
4838633290317998 ~1984
48386531161276739 ~1986
4838819182907358310 ~1989
Exp. Prime Factor Digits Year
4838881290332878 ~1984
4838887483888718 ~1985
483907196781437 ~1983
4839151774264178 ~1985
483931196786237 ~1983
4839581290374878 ~1984
4839797677571598 ~1985
483989996797997 ~1983
48399112323157299 ~1987
4839977290398638 ~1984
484015196803037 ~1983
4840211387216898 ~1985
4840313290418798 ~1984
4840357774457138 ~1985
48405791645796879 ~1986
4840657290439438 ~1984
484067996813597 ~1983
4840793290447598 ~1984
484100396820077 ~1983
484135196827037 ~1983
48413816196967699 ~1988
4841467484146718 ~1985
484151996830397 ~1983
4841519387321538
4841743774678898 ~1985
Exp. Prime Factor Digits Year
4842007774721138 ~1985
484217996843597 ~1983
4842221290533278 ~1984
4842317290539038 ~1984
4842641290558478 ~1984
4842689677976478 ~1985
484273196854637 ~1983
484286396857277 ~1983
4842869387429538 ~1985
484292396858477 ~1983
4842941758404560710 ~1990
48431036974068339 ~1988
48432134940077279 ~1987
4843277290596638 ~1984
4843277387462178
4843427871816878 ~1986
4843451387476098 ~1985
484357196871437 ~1983
48437897265683519 ~1988
48438191937527619 ~1986
4843933290635998 ~1984
484405196881037 ~1983
4844227484422718 ~1985
4844387387550978 ~1985
48444432034666079 ~1986
Exp. Prime Factor Digits Year
484445996889197 ~1983
4844501387560098 ~1985
4844573290674398 ~1984
484514396902877 ~1983
484525196905037 ~1983
4845271484527118 ~1985
4845481290728878 ~1984
4845593290735598 ~1984
484571996914397 ~1983
4845721188983119110 ~1989
48457933392055119 ~1987
4845989387679138 ~1985
484609196921837 ~1983
4846157387692578 ~1985
4846181387694498 ~1985
48461871260008639 ~1986
48464097269613519 ~1988
4846481290788878 ~1984
4846553290793198 ~1984
484663196932637 ~1983
4846801775488178 ~1985
484681196936237 ~1983
4846939484693918 ~1985
4846987484698718 ~1985
48469871163276899
Home
4.828.532 digits
e-mail
25-06-01