This table shows the factoring efforts that have been made so far on partition number using ECM factoring . If you perform any searches on the numbers below, please contact me (alexmichonnospam (at) wanadoo.fr without nospam) me so the list can be updated.

Last update: 26th May 2006

Table notation:
Blue Box - No known factors, please help.
Done - Number searched up to limit of:

  • 200 curves B1=50000

  • 500 curves B1=250000

  • 1100 curves B1=1000000

  • 2900 curves B1=3000000

  • 5500 curves B1=11000000

  • 9000 curves B1=43000000

Rows where p(n) are factorised have not been shown.*ECM

n

B1=250000

B1=1000000

B1=3000000

B1=11000000

B1=43000000

Reserved

<13000

13016

DONE

DONE

DONE

C123

13055

DONE

DONE

502

C121

13076

DONE

DONE

DONE

697

C121

13092

DONE

DONE

502

C115

13110

DONE

DONE

502

C115

13123

DONE

DONE

502

C118

13128

DONE

DONE

DONE

697

C120

13141

DONE

DONE

502

C117

13158

DONE

DONE

C110

13180

DONE

DONE

DONE

697

C122

13185

DONE

DONE

502

C115

13199

DONE

DONE

502

C118

13203

DONE

DONE

DONE

697

C120

13231

DONE

DONE

502

C116

13235

DONE

DONE

502

C117

13236

DONE

DONE

502

C118

13260

DONE

DONE

DONE

697

C121

13312

DONE

DONE

502

C115

13345

DONE

DONE

DONE

697

C120

13369

DONE

DONE

502

C116

13377

DONE

DONE

502

C118

13438

DONE

DONE

502

C114

13452

DONE

DONE

502

C116

13455

DONE

DONE

DONE

697

C121

13458

DONE

DONE

DONE

697

C124

13493

DONE

DONE

502

C119

>13499