is 2 101914217 - 1
has 30679237 decimal digits
takes 405.781 GHz-days to do one PRP test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual277300.332664.9351%805000158987509.39523.3698%309.727868.3049%5.8049%
PrimeNet2729.383762.5000%400000220000009.10355.2978%18.487267.7978%5.2978%
GPU72276150.165464.4737%6500002200000010.46823.8493%160.633768.3230%3.8493%
Difference+1+150.1672+0.4614%+155000-6101250-1.0730-0.4795%+149.0942-0.0181%-0.0181%

Known prime factors (1 factor, 97.8 bits, 0.00009594% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
1019142172708920305726106966700179693993097.7741329019829356147124547
3 × 132 × 52489 × 238723 × 209199643
2387232091996432020-06-08590,788,14167.106122.90

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-06-08T08:21:19Ben Deloi-0ec54c13aa57c5bf180500015898750123097.7749.395811.618.793.370%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-14T01:54:001997rj7compa263264--0.019--
2010-08-15T18:30:00Mr-Plonklinux-i7-920264265--0.037--
2012-04-19T02:33:00Mr-PlonkLinux-i7265266--0.073--
2013-08-26T16:11:00g0bManual testing266267--0.147--
2013-08-27T04:50:00Le ComteManual testing267268--0.293--
2014-07-09T02:27:00SMoffatManual testing268269--0.587--
2014-07-12T16:27:00Preben SManual testing269270--1.173--
2014-07-15T17:56:00ANONYMOUSManual testing270271--2.346--
2014-12-07T14:30:00Simon HarrisonManual testing271272--4.693--
2020-02-25T00:51:01Architects CubedGPU72_TF272273--9.385--
2020-03-18T18:50:01Architects CubedGPU72_TF273274--18.77--
2020-04-07T20:34:01Architects CubedGPU72_TF274275--37.54--
2020-04-20T16:22:02Architects CubedGPU72_TF275276--75.08--
2020-06-01T01:42:01RichD0GPU72_TF276277--150.2--


ECM factoring results:
Exponent "101914217" not found


Lucas-Lehmer results:
Exponent "101914217" not found


PRP results:
Exponent "101914217" not found


P-1 factor-bounds graph:
B1 = 805000, B2 = 15898750 (stage 2)
B1 = 805000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2020-06-08T08:21:19+00:00