is 244642827-1
has 13,438,831 decimal digits
takes 71.651 GHz-days to do one L-L test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-LCFA42605AD9BFB33double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27485.699564.8649%1,500,00030,000,0007.10444.9050%92.803969.7698%8.0051%
PrimeNet2681.335261.7647%200,0008,000,0001.45445.4045%2.789667.1692%5.4045%
GPU7227221.421963.8889%320,00010,000,0001.97214.0173%23.394067.9062%4.0173%
Difference+2+64.2776+0.9760%+1,180,000+20,000,000+5.1324+0.8877%+69.4099+1.8636%+1.8636%

Known prime factors (1 factor, 121.7 bits, 0.00027250% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
44642827418241792090798711676045707339896552937121.65446843112342638909457508784932
22 × 32 × 232 × 547 × 1381 × 109063 × 365413 × 81704341
365,41381,704,3412020-10-123.701e+911.16419.349

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2009-08-18T17:18:00ANONYMOUSv4_computers755,000755,000---1.757--1.700%
2009-10-25T00:00:00ANONYMOUSv4_computers755,000755,000---1.757--1.700%
2020-10-12T08:14:17Sid & AndyMagic_8_Ball1,500,00030,000,0001237121.6547.104143.314.214.905%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2007-11-17T00:00:00ITSv4_computers?268--0.670--
2014-06-27T18:35:00chalsallManual testing268269--1.339--
2015-08-09T16:58:00David CampeauManual testing269270--2.678--
2015-10-03T09:54:44ANONYMOUSManual testing270271--5.356--
2015-10-03T09:54:44ANONYMOUSManual testing271272--10.71--
2018-04-03T20:49:14Kevin JagetManual testing272273--21.43--
2019-12-29T11:49:16-Anonymous-Manual testing273274--42.85--


ECM factoring results:
Exponent "44642827" not found


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2009-12-10T15:09:00ANONYMOUSv4_computersCFA42605AD9BFB3371.65
2010-01-04T00:00:00ANONYMOUSv4_computersCFA42605AD9BFB3371.65
2018-07-08T06:26:34Jon PacePrimeTestCFA42605AD9BFB3371.65


PRP results:
Exponent "44642827" not found


P-1 factor-bounds graph:
B1 = 1,500,000, B2 = 30,000,000 (stage 2)
B1 = 1,500,000 (stage 1)
B1 = 755,000 (stage 1)
104
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106
107
104
105
106
107
108
TF factor-bounds graph:
274
273
272
271
270
269
268
250
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270
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2100
2110
2120
2130
Last modified: 2020-10-12T08:14:17+00:00