is 2 101107 - 1
has 30437 decimal digits
takes 0.000 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual267293.885974.6269%100000000065676544833901,156.034925.4597%1,449.920881.0868%
Target2440.000061.3636%1200180000.00004.1575%0.000062.9699%
Difference+23+293.8858+13.2632%+999998800+6567654465390+1,156.0349+21.3023%+1,449.9207+18.1169%

Known prime factors (4 factors, 196.3 bits, 0.19419832% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1011071011071719.9475
5
-156.915e-133.924e-96.558e-9
1011073437639721.71317
17
2008-07-261172.773e-126.031e-96.558e-9
101107136776296132033931753.60367639380128
25 × 31 × 179 × 313 × 1217
2008-08-2631312170.01741.167e-62.053e-6
101107268913574171370248379367378896131101.08513298464704291999979198640
24 × 5 × 73 × 4967 × 243541957 × 1882438109
2019-08-1724354195718824381091.677e+121.07251.5971

11 Composite Factors:
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-11-02kkmrkkblmbrbkManual testing100000000200000000012-
skipped known factor: 1011071
skipped known factor: 3437639
skipped known factor: 13677629613203393
--0.656--11.733%
2021-12-18Seth_TrManual testing10000000006567654483390-
skipped known factor: 1011071
skipped known factor: 3437639
skipped known factor: 13677629613203393
skipped known factor: 2689135741713702483793673788961
--1,156--25.460%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-07-26J FeitsmaManual testing??21.71371.01676e-140.0002.16926e-14
2008-08-26ANONYMOUSManual testing??53.603170.0060.0000.011
2022-04-13LordJuliusManual testing2125719.94776.91545e-130.0001.47541e-12
2022-04-13LordJuliusManual testing2125753.603170.0170.0000.035
2022-04-13LordJuliusManual testing2125721.71372.77337e-120.0005.91698e-12
2022-04-13LordJuliusManual testing2125741.660134.03382e-60.0008.50212e-6
2022-04-13LordJuliusManual testing257258--0.190--
2022-04-13LordJuliusManual testing258259--0.380--
2022-04-13LordJuliusManual testing259260--0.760--
2022-04-13LordJuliusManual testing260261--1.519--
2022-04-13LordJuliusManual testing261262--3.038--
2022-12-08LordJuliusManual testing262263--9.71--
2022-12-08LordJuliusManual testing263264--19.42--
2022-12-08LordJuliusManual testing264265--36.95--


ECM factoring results:
Total ECM effort:12.644 GHz-days
Estimated T-Level:30.759
DigitsB1CompleteFacMiss
201100082.6560.000%
255000012.9730.000%
302500001.55021.221%
3510000000.15285.907%
4030000000.01398.739%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002810.652
250000250000005856.791
10000001000000001115.154
100000010000000010.046


Lucas-Lehmer results:
No L-L results for M101107


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-21Oliver KruseOllaptop
1011071
3437639
13677629613203393
11514506E66AB6__no
2017-09-21Oliver KruseManual testing
1011071
3437639
13677629613203393
11514506E66AB6__no
2017-09-22Oliver KruseManual testing
1011071
3437639
13677629613203393
11514506E66AB6__no
2017-11-06kkmrkkblmbrbkc4.xlarge
1011071
3437639
13677629613203393
11514506E66AB6__no
2019-08-18AN0NYM0USdory
1011071
3437639
13677629613203393
2689135741713702483793673788961
EBCCDAF1971AF25Cno
2019-08-18Niels_Mache_NextcloudSuperDry-X
1011071
3437639
13677629613203393
2689135741713702483793673788961
EBCCDAF1971AF25Cno
2022-04-15LordJuliusWhiteBox
1011071
3437639
13677629613203393
2689135741713702483793673788961
EBCCDAF1971AF25Cno


P-1 factor-bounds graph:
B1 = 1000000000, B2 = 6567654483390 (P-1 stage 2)
B1 = 1000000000 (P-1 stage 1)
B1 = 100000000, B2 = 2000000000 (P-1 stage 2)
B1 = 100000000 (P-1 stage 1)
100
101
102
103
104
105
106
107
108
109
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
TF factor-bounds graph:
265
264
263
262
261
260
259
258
257
2
this exponent TF target: 44
TF double-checked to: 67.8
ECM T-Level=30.76 ~= 86-bit
250
260
270
280
290
2100
2110
Last modified: 2023-03-25T13:08:14+00:00