is 2 100310531 - 1
has 30196479 decimal digits
takes 382.573 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
Actual276152.566264.4737%723000195280009.66423.8076%162.230465.8264%1.3527%
PrimeNet2729.533762.5000%400000200000008.11755.2011%17.651264.4504%1.9504%
GPU72276152.566264.4737%6500002200000010.02733.8419%162.593565.8386%1.3649%
Difference---+73000-2472000-0.3631-0.0343%-0.3631-0.0122%-0.0122%

Known prime factors (1 factor, 95.5 bits, 0.00009518% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
100310531549581275198029522065976523672995.472273939969073650662893
11 × 73 × 89 × 113 × 1051 × 38261 × 843553
2020-10-0738261843553107,224,0740.45420.4747

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-10-07T16:33:30Jwb52zClay723000195280002995.4729.66765.119.333.808%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-02-14T23:54:001997rj7Manual testing263264--0.020--
2010-08-10T00:15:00carlos56foniz264265--0.037--
2011-02-08T21:31:00Craig MeyersManual testing265266--0.074--
2011-03-14T19:17:00Craig MeyersManual testing266267--0.149--
2013-10-20T17:13:00AdolfNorManual testing267268--0.298--
2014-03-20T07:55:00ANONYMOUS268269--0.596--
2015-02-06T11:14:00Choi4KANGroborobo-2269270--1.192--
2015-02-10T19:19:00kevshawRanger270271--2.384--
2017-03-08T21:30:05mikrManual testing271272--4.768--
2020-02-11T06:53:08bayanneManual testing272273--9.54--
2020-02-25T05:00:33JoDuManual testing273274--19.07--
2020-07-26T02:17:58penluManual testing274275--38.14--
2020-07-26T02:17:58penluManual testing275276--76.28--


ECM factoring results:
No ECM results for M100310531


Lucas-Lehmer results:
No L-L results for M100310531


PRP results:
No PRP results for M100310531


P-1 factor-bounds graph:
B1 = 723000, B2 = 19528000 (P-1 stage 2)
B1 = 723000 (P-1 stage 1)
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108
TF factor-bounds graph:
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Last modified: 2020-10-07T17:07:02+00:00