is 2 97561063 - 1
has 29368807 decimal digits
takes 372.087 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
Actual277313.733464.9351%745000134100007.93593.2033%321.669366.0583%1.1233%
PrimeNet2729.802462.5000%400000200000008.11755.1838%17.919964.4439%1.9439%
GPU72276156.865864.4737%600000200000009.16323.7195%166.029065.7951%1.3214%
Difference+1+156.8676+0.4614%+145000-6590000-1.2274-0.5161%+155.6402+0.2632%+0.2632%

Known prime factors (1 factor, 84.3 bits, 0.00008637% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
97561063232210549471009048543359112684.264119007800002655285
5 × 17 × 31 × 53 × 284591 × 2994317
2020-03-23284591299431772,5372.39033.2030

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-03-23T03:49:08Jwb52zClay745000134100002684.2647.936744.215.873.203%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2011-01-16T05:20:00Architects Cubedm1_19264265--0.038--
2014-03-23T06:45:00Andreas_TruetschManual testing265266--0.077--
2014-03-23T14:15:00Andreas_TruetschManual testing266267--0.153--
2014-06-02T01:27:00Choi4KANG267268--0.306--
2014-06-16T07:37:00g0bManual testing268269--0.613--
2014-10-03T17:31:00shaugeManual testing269270--1.226--
2014-10-03T17:31:00shaugeManual testing270271--2.451--
2019-01-05T12:15:50Niels_Mache_NextcloudManual testing271272--4.902--
2019-03-30T11:49:46Niels_Mache_NextcloudManual testing272273--9.80--
2019-10-21T16:44:03ixfd64Manual testing273274--19.61--
2020-01-19T22:42:54TheJudgerManual testing274275--39.22--
2020-01-19T22:42:54TheJudgerManual testing275276--78.43--
2020-02-02T21:39:14TheJudgerManual testing276277--156.9--


ECM factoring results:
No ECM results for M97561063


Lucas-Lehmer results:
No L-L results for M97561063


PRP results:
No PRP results for M97561063


P-1 factor-bounds graph:
B1 = 745000, B2 = 13410000 (P-1 stage 2)
B1 = 745000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2020-03-23T03:49:08+00:00