| 2016-03-31 | Mark Rose | NF | no factor from 2^64 to 2^65 |
| 2016-03-29 | Mark Rose | NF | no factor from 2^57 to 2^64 |
| 2015-11-02 | kallsop | C-LL | AA58410235F027__ |
| 2015-06-05 | Jerry Hallett | NF | no factor from 2^74 to 2^75 |
| 2013-12-15 | Nesowa | NF-PM1 | B1=630000, B2=13072500, E=12 |
| 2013-12-10 | Nesowa | NF | no factor from 2^73 to 2^74 |
| 2013-12-10 | Nesowa | NF | no factor from 2^72 to 2^73 |
| 2013-12-10 | Nesowa | NF | no factor from 2^71 to 2^72 |
| 2012-11-10 | ig | NF | no factor from 2^70 to 2^71 |
| 2012-02-24 | Simon Harrison | NF | no factor from 2^69 to 2^70 |
| 2010-03-09 | FCG Primes | NF | no factor from 2^68 to 2^69 |
| 2010-02-20 | FCG Primes | NF | no factor from 2^67 to 2^68 |
| 2010-02-12 | unconnected | NF | no factor from 2^66 to 2^67 |
| 2010-02-11 | Gnorfe | NF | no factor from 2^65 to 2^66 |
| 2001-06-03 | Jocelyn Larouche | NF | no factor to 2^57 |
| 2000-12-31 | Jocelyn Larouche | NF | no factor to 2^56 |
| 2000-10-22 | Jocelyn Larouche | NF | no factor to 2^54 |