is 2 63696319 - 1
has 19174503 decimal digits
takes 149.627 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
Actual27460.064264.8649%560000102200003.70013.7202%63.764366.1720%1.3071%
PrimeNet2703.751462.8571%260000120000003.06435.1599%6.815764.7737%1.9165%
GPU7227460.064264.8649%400000140000003.88633.7886%63.950566.1960%1.3311%
Difference---+160000-3780000-0.1862-0.0684%-0.1862-0.0240%-0.0240%

Known prime factors (1 factor, 81.9 bits, 0.00012852% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6369631943952937561405523046607372581.86234501944736716672
27 × 3 × 41 × 487 × 2663 × 1689773
2013-06-122663168977313,3000.32220.5857

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2013-06-12T19:21:00Jwb52zClay560000102200002581.8623.700299.37.4003.720%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2003-08-25T00:00:00ANONYMOUSv4_computers21259--0.001--
2022-03-30T06:19:06LordJuliusManual testing21263--0.025--
2009-02-25T07:16:00Wojciech Florekarmada1263264--0.031--
2009-09-07T22:39:00eon_blue_apocalypseCeasar264265--0.059--
2009-11-14T14:30:00sunithayaboxx265266--0.117--
2009-11-24T23:06:00steinrarjb266267--0.235--
2009-11-29T01:53:00steinrarjb267268--0.469--
2009-12-01T08:41:00steinrarjb268269--0.939--
2012-05-12T09:21:00Vladimir Tshegolevatykhloli269270--1.877--
2012-06-17T08:40:00ITSTV270271--3.754--
2013-03-09T17:30:00Jerry HallettManual testing271272--7.508--
2013-03-09T17:30:00Jerry HallettManual testing272273--15.02--
2013-05-16T00:18:00gcardonaManual testing273274--30.03--


ECM factoring results:
No ECM results for M63696319


Lucas-Lehmer results:
No L-L results for M63696319


PRP results:
No PRP results for M63696319


P-1 factor-bounds graph:
B1 = 560000, B2 = 10220000 (P-1 stage 2)
B1 = 560000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-03-30T06:19:06+00:00