echo 'lift(Mod(((297686758473548354964953 - 1) / 2 / 145999639), 4620))' | '/usr/bin/gp' -q
echo 'lift(Mod(((297686758473548354964953 - 1) / 2 / 145999639), 4620))' | '/usr/bin/gp' -q
echo 'lift(Mod(((297686758473548354964953 - 1) / 2 / 145999639), 4620))' | '/usr/bin/gp' -q
M145 999 639 Mersenne number exponent details
| Last-known PrimeNet details:
Exponent is not assigned to anyone 0 primality tests remaining
| Residue | Status |
---|
L-L | -unknown- | -unknown- |
---|
PRP | -unknown- | -unknown- |
---|
|
| Trial Factoring | P-1 Factoring | Combined |
---|
Limit | GHz-days | Probability | B1 | B2 | GHz-days | Probability | GHz-days | Probability |
---|
Actual | 272 | 6.5502 | 61.1111 % | 1495000 | 45971250 | 32.5791 | 7.1557 % | 39.1294 | 63.8939 % |
---|
Target | 277 | 209.6455 | 63.6364 % | 900000 | 170000000 | 84.0883 | 4.1339 % | 293.7338 | 65.1396 % |
---|
Difference | -5 | -203.0952 | -2.5253 % | +595000 | -124028750 | -51.5092 | +3.0218% | -254.6044 | -1.2457 % |
---|
Known prime factors (1 factor, 78.0 bits, 0.00005341% known):
P-1 results:date | user | comp | B1 | B2 | BS | stage | factor | digits | bits* | GHz-days | Fac Prob |
---|
2020-03-02 | timbit | Manual testing | 1495000 | 45971250 | 6 | 2 | | 24 | 77.978 | 32.58 | 4.631% |
Trial Factoring results:57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 |
| Bits | Factor |
---|
date | userid | compid | from | to | factor | bits* | digits | GHz-days |
---|
2010-06-20 | Torchwood Institute | ATH2-630-temp | 263 | 264 | | | | 0.013 |
2010-12-30 | Richard | | 264 | 265 | | | | 0.026 |
2012-12-30 | Richard | svn_02 | 265 | 266 | | | | 0.051 |
2015-03-06 | ANONYMOUS | | 266 | 267 | | | | 0.102 |
2016-03-24 | Derek | Manual testing | 267 | 268 | | | | 0.205 |
2016-05-18 | Josh Famestad | Manual testing | 268 | 269 | | | | 0.409 |
2021-05-30 | ViliamF | Manual testing | 268 | 269 | | | | |
2016-06-19 | Josh Famestad | Manual testing | 269 | 270 | | | | 0.819 |
2016-07-02 | Mihai Preda | Manual testing | 269 | 270 | | | | 0.819 |
2016-07-28 | Mihai Preda | Manual testing | 270 | 271 | | | | 1.638 |
2016-08-06 | Josh Famestad | Manual testing | 271 | 272 | | | | 3.276 |
ECM factoring results:No ECM results for
M145999639
Lucas-Lehmer results:No L-L results for
M145999639
P-1 factor-bounds graph:- X = B1; Y = B2
- size of marker relates to size of factor
- mouse-over any factor marker (circle) to see additional info
- mouse-over any stage bound text to see additional info
B1 = 1495000, B2 = 45971250 (P-1 stage 2)
B1 = 1495000 (P-1 stage 1)
104
105
106
107
104
105
106
107
108
TF factor-bounds graph:
272
271
270
269
268
267
266
265
264
this exponent TF target: 77
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270
280