is 2 107454839 - 1
has 32347130 decimal digits
takes 440.714 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
Actual276142.422664.4737%9160005294600022.30574.7383%164.728366.1570%1.6834%
PrimeNet2728.899962.5000%450000220000009.65865.4107%18.558464.5290%2.0290%
GPU72276142.422664.4737%7000002400000011.71233.9768%154.134965.8865%1.4128%
Difference---+216000+28946000+10.5934+0.7615%+10.5934+0.2705%+0.2705%

Known prime factors (1 factor, 125.9 bits, 0.00011720% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1074548398134712112658532535642939662741682156738125.935378517719088413158184664892697
3 × 7 × 11 × 641 × 1429 × 51539 × 129119 × 204601 × 1313863
2021-11-2020460113138631.404e+91.57622.4763

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-11-20T19:07:22Ben Deloi-06adbfd69b5c3e8d39160005294600038125.93522.31881.444.614.738%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-25T00:15:00Donna NoblePhenom9550263264--0.018--
2010-09-07T22:30:00Charles A. Morrispulsar-4264265--0.035--
2012-05-18T11:57:00Richard172.26.180.86265266--0.070--
2014-07-12T02:13:00Ryan PropperManual testing266267--0.139--
2014-07-12T02:59:00Ryan PropperManual testing267268--0.278--
2014-07-12T04:28:00Ryan PropperManual testing268269--0.556--
2015-05-25T19:53:00ANONYMOUS269270--1.113--
2015-06-01T16:49:00Per Jessenbluewood270271--2.225--
2019-01-27T19:09:46Niels_Mache_NextcloudManual testing271272--4.451--
2020-03-29T06:32:43SRBaseManual testing272273--8.902--
2020-07-08T14:55:10XZTManual testing273274--17.80--
2021-04-17T01:20:081997rj7Manual testing274275--35.61--
2021-04-17T01:20:081997rj7Manual testing275276--71.21--


ECM factoring results:
No ECM results for M107454839


Lucas-Lehmer results:
No L-L results for M107454839


PRP results:
No PRP results for M107454839


P-1 factor-bounds graph:
B1 = 916000, B2 = 52946000 (P-1 stage 2)
B1 = 916000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2021-11-20T19:07:23+00:00