ps Re Divisors concatenated shape a prime

[Max Alekseyev]

Three more prime divisors have been found with ECM:
1303590319,
2029994921,
and
2635016943923513073981336313737132619.

The co-factor is still composite and requires further factorization.

Regards,
Max

On 7/20/07, Simon Plouffe <simon.plouffe at gmail.com> wrote:
> The number is
> 23637741111132222263396784181836212543250863192525397638\
>     5050794957757619119155152382118123439689236246879378\
>     3543703190673607553698617087406381347215107397221082\
>     2661095832164532219166133479486848572669589736971440\
>     0438460545718008769210914230132785470246166539693602\
>     6557094049233307938690398356410738499619079180796712\
>     8214769992381581114913062399108161968641222982612479\
>     8216323937282334473918719732448590592334050047581378\
>     1681898530966894783743946489718118466810009516275633\
>     6379706181021501427441345045695592720430028548826900\
>     9139118541259851760510992223024564332519703521021984\
>     4460491286637795552815329766690736929975591105630659\
>     5333814738598961996828961134745198615110831211923993\
>     6579222694903972302216624228859904868834042355958453\
>     3249363577198097376680847119169066498726355938826715\
>     6198557234875910075477711877653431239711446975182015\
>     0954106781648014685956717046277302264311087056416726\
>     0822620744350752392673213563296029371913434092554604\
>     5286221741128334521645241488701504785346326116925017\
>     8246786223305225717801965223385003564935724466104514\
>     3560384022108741886504369675409778385289018044217483\
>     7730087393508195567705780212066326225659513109026229\
>     33515586703
>
> and divisible by 13 and 47 if I am not mistaking.
>
> the rest (%/13/47) is not prime either but I can't determine
> its factors.
>
> simon plouffe
>