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Primo record

Partition(1289844341)
40000 decimal digits

The certification of this number was done by Paul Underwood with Primo 4.3.0. The certification process took 21.5 months using a 4 x 12 core AMD 6174.

ECPP records set with Primo
Partition(1289844341)
40000 decimal digits
Certified by Paul Underwood (UK, 2020) [more...]
Certificate:
ecpp40000.7z.001 (10 MB)
ecpp40000.7z.002 (10 MB)
ecpp40000.7z.003 (10 MB)
ecpp40000.7z.004 (9.7 MB)
2116224 - 15905
34987 decimal digits
Certified by Peter Kaiser (EU, 2017) [more...]
Certificate:
ecpp34987.7z.001 (10 MB)
ecpp34987.7z.002 (10 MB)
ecpp34987.7z.003 (10 MB)
ecpp34987.7z.004 (8 MB)
Picture(57885161)
34093 decimal digits
Certified by Paul Underwood (EU, 2016) [more...]
Certificate:
ecpp34093.7z.001 (10 MB)
ecpp34093.7z.002 (10 MB)
ecpp34093.7z.003 (10 MB)
ecpp34093.7z.004 (8 MB)
Lucas(148091)
30950 decimal digits
Certified by Paul Underwood (EU, 2015) [more...]
Certificate:
ecpp30950.7z.001 (10 MB)
ecpp30950.7z.002 (10 MB)
ecpp30950.7z.003 (10 MB)
ecpp30950.7z.004 (8.1 MB)
Lehmer-Ramanujan(331,2129)
29492 decimal digits
Certified by Philippe Alsina, Pierre Gazzano, Nik Lygeros, Olivier Rozier and André Solaris (EU, 2015)
Certificate:
ecpp29492.7z.001 (11.7 MB)
ecpp29492.7z.002 (11.7 MB)
ecpp29492.7z.003 (10.1 MB)
Lucas(140057)
29271 decimal digits
Certified by Peter Kaiser and Paul Underwood (EU, 2014) [more...]
Certificate:
ecpp29271.7z.001 (11.7 MB)
ecpp29271.7z.002 (11.7 MB)
ecpp29271.7z.003 (11 MB)
(32 × 106959 - 23)/99
6959 decimal digits
Certified by Hans Rosenthal (EU, 2003).
Certificate: ecpp6959.zip (4.3 MB)
16282536 ... 36478311
5878 decimal digits
Certified by Jose Luis Gomez Pardo (EU, 2003).
Certificate: ecpp5878b.zip (3.1 MB)
105019 + 43157099231631693
5020 decimal digits
Certified by Giovanni and Marco La Barbera (EU, 2001).
Certificate: ecpp5020.zip (2.1 MB)
103999 + 4771
4000 decimal digits
Certified by Giovanni and Marco La Barbera (EU, 2001).
Certificate: ecpp4000.zip (1.3 MB)
(3481223 - 1)/347
3106 decimal digits
Certified by Giovanni and Marco La Barbera (EU, 2001).


Other primes

Links to some pages reporting primes certified with Primo: