is 2 48450511 - 1
has 14585058 decimal digits
takes 84.115 GHz-days to do one PRP test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-LCE8437AE9AF3B053double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27478.964464.8649%1500000450000009.74225.3274%88.706666.7366%4.9719%
PrimeNet2681.230261.7647%22000090000001.75805.6476%2.988263.9241%2.1594%
GPU7227219.738463.8889%340000110000002.31804.1701%22.056365.3948%1.5059%
Difference+2+59.2260+0.9760%+1160000+34000000+7.4242+1.1572%+66.6503+1.3419%+1.3419%

Known prime factors (1 factor, 131.1 bits, 0.00027051% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
48450511284705642630098717397393754821632115783940131.06529381077387408640271863567633129
29 × 587 × 33071 × 34747 × 173483 × 754627 × 11473019
2021-06-08754627114730193.037e+93.36973.8662

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2012-01-14T14:08:00monstharp53500012840000---3.034--3.745%
2021-06-08T00:56:13Sid & AndyBarrel_Of_Monkeys15000004500000040131.0659.74168.219.485.327%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2002-03-16T00:00:00Jocelyn Larouchev4_computers?257--0.000--
2003-06-06T00:00:00Thomas Mullenv4_computers?259--0.001--
2008-06-02T00:00:00ANONYMOUSv4_computers?270--2.468--
2012-01-22T22:29:00RichD0Manual testing270271--4.936--
2012-01-22T22:29:00RichD0Manual testing271272--9.87--
2018-02-24T23:52:54-Anonymous-Manual testing272273--19.74--
2020-01-11T11:49:52-Anonymous-Manual testing273274--39.48--


ECM factoring results:
Exponent "48450511" not found


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2013-02-16T10:57:00MaidenBootsTardisCE8437AE9AF3B05384.12
2018-08-02T13:42:00Dax MickelsonGPO-RTP-mprime106CE8437AE9AF3B05384.12


PRP results:
Exponent "48450511" not found


P-1 factor-bounds graph:
B1 = 1500000, B2 = 45000000 (stage 2)
B1 = 1500000 (stage 1)
B1 = 535000, B2 = 12840000 (stage 2)
B1 = 535000 (stage 1)
104
105
106
107
104
105
106
107
108
TF factor-bounds graph:
274
273
272
271
270
259
257
250
260
270
280
290
2100
2110
2120
2130
2140
Last modified: 2021-06-08T00:56:13+00:00