Changes of Phin10.txt <November 2019>

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November 21, 2019 2019 年 11 月 21 日 (Alfred Eichhorn)

# via Kurt Beschorner

n=93827: c93827(1111111111......) = 2544410332113800320497347 * c93802(4366870771......)

# ECM B1=11e3, sigma=4336063350918828

# 201084 of 300000 Φ_n(10) factorizations were cracked. 300000 個中 201084 個の Φ_n(10) の素因数が見つかりました。

# 18762 of 25997 R_prime factorizations were cracked. 25997 個中 18762 個の R_prime の素因数が見つかりました。

November 16, 2019 2019 年 11 月 16 日 (Makoto Kamada)

n=265172: x132578(7467592831......) is (probable) prime

$ ./pfgw64 -tc -q"(10^132586+1)/133911961"
PFGW Version 3.8.3.64BIT.20161203.Win_Dev [GWNUM 28.6]

Primality testing (10^132586+1)/133911961 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N-1 test using base 7
Running N+1 test using discriminant 19, base 2+sqrt(19)
Calling N-1 BLS with factored part 0.01% and helper 0.00% (0.04% proof)
(10^132586+1)/133911961 is Fermat and Lucas PRP! (2073.4394s+0.0441s)

# 1174 of 300000 Φ_n(10) factorizations were finished. 300000 個中 1174 個の Φ_n(10) の素因数分解が終わりました。

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