is 2 93003847 - 1
has 27996948 decimal digits
takes 336.881 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
1 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP84C9E02F41E0CA__verified PRP

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual277329.106464.9351%720000136800007.49023.1836%336.596666.0514%1.1163%
PrimeNet2715.140461.9718%400000180000007.13725.5659%12.277664.0885%2.1166%
GPU7227582.275264.0000%600000220000009.27514.1466%91.550265.4928%1.4928%
Difference+2+246.8313+0.9351%+120000-8320000-1.7849-0.9630%+245.0464+0.5586%+0.5586%

Known prime factors (1 factor, 89.0 bits, 0.00009568% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
930038476128917929016659268521614892788.9863294980867305768152
23 × 3 × 19 × 3163 × 1240699 × 1841291
2021-03-0312406991841291973,3816.688313.262

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2019-08-22T23:13:53Ryan PropperManual testing720000136800006---7.490--3.184%
2021-03-03T02:06:33mikrNitron250000025000002788.98613.13673.826.262.183%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2011-01-09T00:20:00Architects Cubedm1_45264265--0.040--
2013-06-06T14:49:00David CampeauManual testing265266--0.080--
2014-02-12T16:12:00ANONYMOUS266267--0.161--
2014-04-13T03:09:00hkskypManual testing267268--0.321--
2014-04-13T03:28:00hkskypManual testing268269--0.643--
2014-05-03T14:48:00ANONYMOUSManual testing269270--1.286--
2014-09-19T17:20:00shaugeManual testing270271--2.571--
2018-04-24T17:50:06Xie ShiquanManual testing271272--5.142--
2019-02-17T22:27:53Andrew BManual testing272273--10.28--
2019-02-17T22:27:53Andrew BManual testing273274--20.57--
2019-02-17T22:27:53Andrew BManual testing274275--41.14--
2019-02-17T22:27:53Andrew BManual testing275276--82.28--
2019-02-17T22:27:53Andrew BManual testing276277--164.6--


ECM factoring results:
No ECM results for M93003847


Lucas-Lehmer results:
No L-L results for M93003847


PRP results:
dateuseridcompidcofactorsres64PRP
2019-11-13T06:32:34Ilya S. Sapytskyplaneta.bov84C9E02F41E0CA__no


P-1 factor-bounds graph:
B1 = 2500000 (P-1 stage 1)
B1 = 720000, B2 = 13680000 (P-1 stage 2)
B1 = 720000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2021-03-03T02:13:41+00:00