is 2 2273549 - 1
has 684407 decimal digits
takes 0.149 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
Actual26713.069467.1642%500000150000000.12305.2025%13.192468.8725%1.7083%
PrimeNet2580.016962.0690%100001900000.00192.9218%0.018863.1772%1.1083%
GPU722620.270264.5161%120001900000.00211.7083%0.272365.1223%0.6062%
Difference+5+12.7992+2.6481%+488000+14810000+0.1209+3.4943%+12.9201+3.7502%+3.7502%

Known prime factors (2 factors, 118.6 bits, 0.00521543% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
227354956941555575075911652.3381252261455
3 × 5 × 659 × 126683
-6591266830.00030.00070.0012
2273549869623305367319049372066.23719124797956132
22 × 3 × 11 × 144884833001
2018-01-26111448848330017.6227752.571,405.6

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
227354949517703771954406543568456926787676736118.575
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-04-30T16:59:32alpertronManual testing5000001500000012-
skipped known factor: 5694155557507591
--0.123--5.203%


Trial Factoring results:
No TF results for M2273549


ECM factoring results:

Old Calculation Method

Total ECM effort:0.985 GHz-days
Estimated T-Level:0.550
DigitsB1CurvesCompleteFacMiss
201100011 / 1000.11089.534%
255000011 / 2800.03996.141%

New Calculation Method

Total ECM effort:0.985 GHz-days
Estimated T-Level:0.550
DigitsB1CompleteFacMiss
20110000.43464.801%
25500000.04096.073%
302500000.00399.747%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.258
50000500000010.086
50000579510470.642


Lucas-Lehmer results:
No L-L results for M2273549


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-11T03:00:20Oliver KruseGTX-0
5694155557507591
1EA3D216FB064C__no
2017-11-21T23:38:41kkmrkkblmbrbkc4.xlarge
5694155557507591
1EA3D216FB064C__no
2018-01-27T16:04:23treborLaptop
5694155557507591
86962330536731904937
3E659C14A84D5D__no
2018-01-29T03:49:17Oliver KruseGTX-2
5694155557507591
86962330536731904937
3E659C14A84D5D__no


P-1 factor-bounds graph:
B1 = 500000, B2 = 15000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
100
101
102
103
104
105
106
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
TF factor-bounds graph:
267
250
260
270
280
290
2100
Last modified: 2022-08-07T06:43:24+00:00