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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
999598191999196399 ~1993
999621711999243439 ~1993
99962353239909647310 ~1996
999657597997260739 ~1995
999663711999327439 ~1993
99968809939706804710 ~1998
999694815998168879 ~1995
999713277997706179 ~1995
999748791999497599 ~1993
999772911999545839 ~1993
999869631999739279 ~1993
99988289139983604710 ~1996
999887535999325199 ~1995
999895017999160099 ~1995
999902631999805279 ~1993
999923631999847279 ~1993
999927711999855439 ~1993
999947031999894079 ~1993
999959991999919999 ~1993
999964191999928399 ~1993
999984975999909839 ~1995
1000028392000056799 ~1993
1000061032000122079 ~1993
1000075432000150879 ~1993
1000078136000468799 ~1995
Exponent Prime Factor Digits Year
1000133512000267039 ~1993
1000149118001192899 ~1995
1000156136000936799 ~1995
1000157392000314799 ~1993
1000167832000335679 ~1993
1000171192000342399 ~1993
1000203832000407679 ~1993
100021973300065919110 ~1996
1000224592000449199 ~1993
1000292392000584799 ~1993
1000293832000587679 ~1993
1000305898002447139 ~1995
1000314712000629439 ~1993
1000347712000695439 ~1993
1000383112000766239 ~1993
1000385392000770799 ~1993
1000398376002390239 ~1995
1000400512000801039 ~1993
100044281320141699310 ~1996
100046753140065454310 ~1996
100051951100051951110 ~1995
1000530712001061439 ~1993
1000536376003218239 ~1995
1000550512001101039 ~1993
1000572832001145679 ~1993
Exponent Prime Factor Digits Year
1000607576003645439 ~1995
1000671112001342239 ~1993
1000719712001439439 ~1993
1000721512001443039 ~1993
1000723976004343839 ~1995
100073539180132370310 ~1996
1000747312001494639 ~1993
100076239640487929710 ~1997
1000781032001562079 ~1993
1000795192001590399 ~1993
1000798792001597599 ~1993
1000801432001602879 ~1993
1000810432001620879 ~1993
100084757380322076710 ~1997
100091503240219607310 ~1996
1000965832001931679 ~1993
1000990912001981839 ~1993
1001001832002003679 ~1993
1001035432002070879 ~1993
1001061592002123199 ~1993
1001089936006539599 ~1995
1001122312002244639 ~1993
1001130112002260239 ~1993
1001216392002432799 ~1993
1001246632002493279 ~1993
Exponent Prime Factor Digits Year
1001263432002526879 ~1993
1001283736007702399 ~1995
1001303632002607279 ~1993
100132999240319197710 ~1996
1001333392002666799 ~1993
100137449140192428710 ~1996
1001419912002839839 ~1993
1001422216008533279 ~1995
1001471392002942799 ~1993
1001471992002943999 ~1993
1001480392002960799 ~1993
1001482912002965839 ~1993
1001501632003003279 ~1993
1001560192003120399 ~1993
1001587912003175839 ~1993
1001594632003189279 ~1993
1001602792003205599 ~1993
1001625112003250239 ~1993
1001642698013141539 ~1995
1001662016009972079 ~1995
1001699032003398079 ~1993
1001738632003477279 ~1993
1001741278013930179 ~1995
1001747032003494079 ~1993
1001807632003615279 ~1993
2412
GIMPS The Prime Pages FactorDb.com
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25-04-20