is 2 25139453 - 1
has 7567730 decimal digits
takes 21.543 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
Actual2671.182062.6866%----1.182062.6866%0.0000%
PrimeNet2660.587562.1212%11000040000000.40004.9812%0.987564.0080%1.8868%
GPU722709.505064.2857%18000055000000.58383.7354%10.088865.6198%1.3341%
Difference-3-8.3230-1.5991%-180000-5500000-0.5838-3.7354%-8.9069-2.9332%-2.9332%

Known prime factors (2 factors, 127.3 bits, 0.00050626% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2513945354578979943552107591962.243108552441343
108552441343
2004-04-0911085524413430.04107,348.813,726
25139453376159844891625902092065.028748146439168
210 × 47 × 1291 × 12041
2018-04-261291120410.49660.00230.0033

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
2513945320530420629909721824247281168854485863139127.271
P-1 results:
No P-1 results for M25139453


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2004-04-09T00:00:00korvav4_computers??62.243190.01744.410.034
2001-08-12T00:00:00Net_Forcev4_computers21256--0.000--
2001-08-24T00:00:00Mattv4_computers21258--0.002--
2003-12-23T00:00:00markrv4_computers21262--0.024--
2022-06-24T06:17:28LordJuliusManual testing26226562.243190.01744.410.034
2018-04-26T12:39:50TJAOIManual testing265266*65.028200.20643.890.420


ECM factoring results:
No ECM results for M25139453


Lucas-Lehmer results:
No L-L results for M25139453


PRP results:
No PRP results for M25139453


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
TF factor-bounds graph:
267
266
265
262
258
256
2
250
260
270
280
290
2100
Last modified: 2022-06-24T06:17:28+00:00