is 2 2483653 - 1
has 747655 decimal digits
takes 0.172 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
Actual26711.963867.1642%248365324836530.24983.7528%12.213668.3964%1.2323%
PrimeNet2590.030962.7119%100001800000.00192.5348%0.032963.6570%0.9452%
GPU722630.642665.0794%110001600000.00191.3802%0.644565.5614%0.4820%
Difference+4+11.3212+2.0848%+2472653+2323653+0.2479+2.3726%+11.5691+2.8351%+2.8351%

Known prime factors (1 factor, 23.8 bits, 0.00095943% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
248365314901919823.8293
3
-134.502e-131.115e-72.047e-7

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-11-13T12:43:01onlinegameManual testing24836532483653823.8290.2500.3450.5003.753%


Trial Factoring results:
No TF results for M2483653


ECM factoring results:

Old Calculation Method

Total ECM effort:0.276 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.276 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.276


Lucas-Lehmer results:
No L-L results for M2483653


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-14T04:59:35Oliver KruseGTX-27AB438AD80AD67__no
2017-11-30T02:06:55noknopcr2-srv
14901919
no
2017-11-30T04:06:06storm55107700_Kaby_Lake
14901919
7AB438AD80AD67__no
2017-12-04T09:25:10kkmrkkblmbrbkc4.xlarge
14901919
4D43285247E485__no


P-1 factor-bounds graph:
B1 = 2483653 (P-1 stage 1)
100
101
102
103
104
105
106
107
100
101
102
103
104
105
106
107
TF factor-bounds graph:
267
220
230
240
250
260
270
280
290
2100
Last modified: 2021-11-13T12:43:01+00:00