is 2 2110183 - 1
has 635229 decimal digits
takes 0.139 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26714.081267.1642%500000150000000.12305.1562%14.204268.8573%1.6931%
PrimeNet2580.018262.0690%90001600000.00162.6802%0.019863.0856%1.0166%
GPU722620.291164.5161%100001400000.00161.4527%0.292865.0316%0.5155%
Difference+5+13.7901+2.6481%+490000+14860000+0.1214+3.7034%+13.9114+3.8256%+3.8256%

Known prime factors (2 factors, 97.6 bits, 0.00462421% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
211018311648210171030.117276
22 × 3 × 23
-4237.184e-114.800e-77.761e-7
21101832032532504671379574232167.46248160100443217
7 × 6880014349031
2021-11-027688001434903116.89335,73766,746

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
21101832367536579176873606447615591913097.579
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-03-18T18:42:04alpertronManual testing5000001500000012-
skipped known factor: 1164821017
--0.123--5.156%


Trial Factoring results:
No TF results for M2110183


ECM factoring results:

Old Calculation Method

Total ECM effort:2.051 GHz-days
Estimated T-Level:1.150
DigitsB1CurvesCompleteFacMiss
201100023 / 1000.23079.361%
255000023 / 2800.08292.100%

New Calculation Method

Total ECM effort:2.051 GHz-days
Estimated T-Level:1.150
DigitsB1CompleteFacMiss
20110000.76646.481%
25500000.06993.351%
302500000.00499.576%


ECM Summary

B1B2factorcurvesGHz-days
500005000000131.107
50000500000030.255
50000690000070.689


Lucas-Lehmer results:
No L-L results for M2110183


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-07T03:39:50Oliver KruseGTX-2
1164821017
2C4A7DA058FCC0__no
2017-11-17T14:43:48kkmrkkblmbrbkold
1164821017
2C4A7DA058FCC0__no
2021-11-02T06:02:21SRJ2877LTOS
1164821017
203253250467137957423
D4F951DA6DF7D761no


P-1 factor-bounds graph:
B1 = 500000, B2 = 15000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-05-14T15:53:57+00:00