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August 5, 2026 2026 年 8 月 5 日 (Kurt Beschorner)

n=3014: c1344(4122220386......) = 3224257283821690911882860343913279673197968001 * c1299(1278502310......)

# ECM B1=20e6, sigma=346575584497108

n=11015: c8749(3224581307......) = 38361476883252040573781321 * c8723(8405779886......)

# ECM B1=1e6, sigma=5117826424394022

n=12295: c9803(2411926920......) = 484743392732493780746667717991 * c9773(4975677763......)

# ECM B1=1e6, sigma=1522186952526259

n=12307: c11872(1109260586......) = 333374801444055325819386005205439 * c11839(3327367820......)

# ECM B1=1e6, sigma=5919142273543134

n=12328: c5752(7115105379......) = 1485186211524993980332189457327993 * c5719(4790716021......)

# ECM B1=1.5e6, sigma=8456453911070310

July 26, 2026 2026 年 7 月 26 日 (Alfred Eichhorn)

# via Kurt Beschorner

n=33083: c33083(1111111111......) = 6675715261589480685252905491003 * c33052(1664407584......)

# ECM B1=1e6, sigma=0:8131647610823038

n=70997: c70997(1111111111......) = 12569762063305598037002812395517 * c70965(8839555637......)

# ECM B1=1e6, sigma=0:7572621526288766

n=71011: c71011(1111111111......) = 994162421596480115595396227 * c70984(1117635395......)

# ECM B1=1e6, sigma=0:4672737597017891

July 12, 2026 2026 年 7 月 12 日 (Daniel Vieira)

# 56248*R(49081)+1 is proven prime.

# 56248*R(49081)+1 is the largest known proven prime of the form k*R(n)+/-1.

July 9, 2026 2026 年 7 月 9 日 (Alfred Eichhorn)

# via Kurt Beschorner

n=59809: c59809(1111111111......) = 2974461269600365487438093421721 * c59778(3735503711......)

# ECM B1=1e6, sigma=0:6930322239139690

n=62633: c62633(1111111111......) = 4770048381930236202807868411187 * c62602(2329349772......)

# ECM B1=1e6, sigma=0:4102478440982954

n=62987: c62987(1111111111......) = 285189180407754140621972589923 * c62957(3896049315......)

# ECM B1=1e6, sigma=0:4048756822361665

n=70039: c70039(1111111111......) = 4515288873284468441685842687867 * c70008(2460775251......)

# ECM B1=1e6, sigma=0:6070592813061543

n=70241: c70241(1111111111......) = 510387445962916661797514671 * c70214(2176995378......)

# ECM B1=1e6, sigma=0:582790225641299

# 221492 of 300000 Φn(10) factorizations were cracked. 300000 個中 221492 個の Φn(10) の素因数が見つかりました。

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Previous month前月 | September 2003 2003 年 9 月 | February 2026 2026 年 2 月 March 3 月 April 4 月 May 5 月 June 6 月 July 7 月 Recent changes 最近の更新