is 2 115752661 - 1
has 34845024 decimal digits
takes 534.552 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual277264.427364.9351%24000001078729470408.74427.6039%673.171567.6014%
Target276132.212964.4737%70000020800000080.31584.0728%212.528765.9206%
Difference+1+132.2144+0.4614%+1700000+870729470+328.4284+3.5311%+460.6428+1.6808%

Known prime factors (1 factor, 126.3 bits, 0.00010907% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
11575266110121976643310734335310172498570845212139126.251437224360799391658707101882460
22 × 3 × 5 × 23 × 89 × 2393 × 2531 × 14549 × 1424041 × 28369049		2022-06-281424041283690491.368e+919.36619.407

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-06-28Reboot ItRI_3052400000107872947039126.251408.71,069817.57.604%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-05-08ValerieVonckOracle10g263264--0.017--
2010-10-06Mr-Plonk264265--0.032--
2012-06-22HBendtzHAL9006265266--0.065--
2014-11-29vwflat4j-laptop266267--0.129--
2015-03-02SMoffatManual testing267268--0.258--
2015-03-04SMoffatManual testing268269--0.516--
2015-03-19rozieatom269270--1.033--
2015-03-22BronzemanManual testing270271--2.066--
2015-03-27XebecerManual testing271272--4.132--
2020-04-24SRBaseManual testing272273--8.263--
2020-12-20gcardonaManual testing273274--16.53--
2020-12-21hktManual testing274275--33.05--
2021-06-06TheJudgerManual testing275276--66.11--
2022-04-19TheJudgerManual testing276277--132.2--


ECM factoring results:
No ECM results for M115752661


Lucas-Lehmer results:
No L-L results for M115752661


PRP results:
No PRP results for M115752661


P-1 factor-bounds graph:
B1 = 2400000, B2 = 1078729470 (P-1 stage 2)
B1 = 2400000 (P-1 stage 1)
105
106
107
105
106
107
108
109
1010
TF factor-bounds graph:
277
276
275
274
273
272
271
270
269
268
267
266
265
264
this exponent TF target: 76
TF double-checked to: 67.9
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2130
Last modified: 2023-07-11T14:45:05+00:00