Carlo is going to take 2^3321928697-1 from 71 to 72 bits.

I am now working also on the following range:

[code]
3321928777,65,66
3321928787,65,66
3321928921,65,66
3321928927,65,66
3321928963,65,66
3321928999,65,66
[/code]

Luigi

What about your work on 3321928171?

[QUOTE=jinydu]What about your work on 3321928171?[/QUOTE]

In good health, Thank you! :smile:

I just passed 71,8 bits of factorization. Should be finished in a few days.

Luigi

[QUOTE=ET_]Uncwilly, if you wish to take all these exponents to 60 (the starting range of Operation Billion Digits)

[B]William[/B], I know Uncwilly usually sends his batch of new factors to Will Edgington.[/QUOTE]

I will get them all there to 60 (maybe higher)(I got them to 57). I have the factors stored away and will send the to Will E. (haven't yet.) Have no fear I will send them across to him when I give you the results.

Maybe a [COLOR=DarkRed][FONT=Impact][SIZE=4]Range not yet open[/SIZE][/FONT][/COLOR] might keep new folks from just randomly posting hey I did the next number.

[QUOTE=Uncwilly]
Maybe a [COLOR=DarkRed][FONT=Impact][SIZE=4]Range not yet open[/SIZE][/FONT][/COLOR] might keep new folks from just randomly posting hey I did the next number.[/QUOTE]

Done :wink:

Luigi

[code]
M3321928777 no factor from 2^65 to 2^66.
M3321928787 no factor from 2^65 to 2^66.
M3321928921 no factor from 2^65 to 2^66.
M3321928927 no factor from 2^65 to 2^66.
M3321928963 no factor from 2^65 to 2^66.
M3321928999 no factor from 2^65 to 2^66.
[/code]

I am going to proceed taking all exponents with no factor to 2^66 if nobody else does.

And M3321928171 is done at 71.90 bits

Luigi

[QUOTE=ET_]
I am going to proceed taking all exponents with no factor to 2^66 if nobody else does.
[/QUOTE]

I mean, I will post the batch I choose next Sunday.

Luigi

Some time ago, I gave up on 3321928171.

I found no factor between 2^72 and 2^72.101

How long does 71 to 72bit take you all? Im running it on a P2 450Mhz, and 69-70 is taking about 1 week, 70-71 going to take 15days, 71-72 1 month.

My "fast" *cough* computer is Athlon 950Mhz, but its doing Prime95.

[QUOTE=ATH]How long does 71 to 72bit take you all? Im running it on a P2 450Mhz, and 69-70 is taking about 1 week, 70-71 going to take 15days, 71-72 1 month.[/QUOTE]

I'm running a P-Pro 180, so it will take me about four times as long. I put serious computers on more serious projects. I'm several weeks into a 70-71 test and have reached 70.746

William

M3321928171 no factor from 2^71 to 2^72.

Luigi