7×10283-13 = 2
(3
)283<284> = 31 × 70465973 × 10421802967
<11> × 620033684028474305543809
<24> × 8378605497619538332769055250846277999
<37> × 10551837344666534279266893198943438198220963
<44> × 138216234721065071117184861468254571736780857457
<48> × 80460368875064468046622928989331891715429693718879
<50> × 1681266614355719066181858006667580050389031926331232157281882227
<64> (Dmitry Domanov / GMP-ECM B1=3000000, sigma=1642931325 for P37 /
September 16, 2015 2015 年 9 月 16 日) (Thomas Kozlowski / GMP-ECM 7.0.6 B1=11000000 for P44 /
April 23, 2025 2025 年 4 月 23 日) (yoyo / GMP-ECM 7.0.5-dev [configured with GMP 6.1.2, --enable-asm-redc] [ECM] B1=43000000 for P48 x P50 x P64 /
July 6, 2025 2025 年 7 月 6 日)