Marin Mersenne 2^P-1
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MnStatusDetails
217337Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
48324368773801705431962.12007-10-10 19:00:54
3667678027197038586217510691056732104.92021-05-28 14:09:19
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000179 / 1566
Estimated T-Level: 30.6 ⓘ
TF below 2^97 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-22Oliver KruseCC44850779F685F11013
Verified (Factored)2017-10-12kkmrkkblmbrbkCC44850779F685F111742413
Verified (Factored)2020-04-17Oliver KruseDAF523BCDFE7F8D3116471753
Verified2021-05-28mikrDAF523BCDFE7F8D328203853
Verified2021-05-30kutensDAF523BCDFE7F8D3213496753
Verified2023-08-03USAFSSDAF523BCDFE7F8D3217623353
P-1 factors
DateFactorB1B2
2021-05-2836676780271970385862175106910567300000003000000000
History
DateUserTypeResult
2023-08-03curtiscCERT
PRP Certification
Proof certified good
2023-08-03USAFSSC-PRP
M217337/4832436877380170543/36676780271970385862175106910567 : DAF523BCDFE7F8D3
PRP proof power = 5
PRP: Verified
Proof certified good
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2022-03-01Oliver KruseNF-PM1
B1=30000000, B2=10070832992220
2021-05-30CatalystCERT
PRP Certification
Proof certified good
2021-05-30kutensC-PRP
M217337/4832436877380170543/36676780271970385862175106910567 : DAF523BCDFE7F8D3
PRP proof power = 5
PRP: Verified
Proof certified good
2021-05-28curtiscCERT
PRP Certification
Proof certified good
2021-05-28mikrC-PRP
M217337/4832436877380170543/36676780271970385862175106910567 : DAF523BCDFE7F8D3
PRP proof power = 5
PRP: Verified
Proof certified good
2021-05-28Oliver KruseF-PM1
Factor: 36676780271970385862175106910567 / (P-1, B1=30000000, B2=3000000000)
2021-05-01Dylan DelgadoNF-PM1
B1=6500000, B2=604500000
2020-04-17Oliver KruseC-PRP
M217337/4832436877380170543 : DAF523BCDFE7F8D3
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M217337/4832436877380170543 : CC44850779F685F1
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M217337/4832436877380170543 : CC44850779F685F1
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M217337/4832436877380170543 : CC44850779F685F1
PRP without proof (not generated)
2007-10-10Chad DavisF-ECM
Factor: 4832436877380170543
2007-10-10Chad DavisF-ECM
Factor: 4832436877380170543