S1027 in TOP5000

Message boards : Number crunching : S1027 in TOP5000

Author	Message
vasyannyasha Send message Joined: 29 Apr 17 Posts: 5 Credit: 19,537 RAC: 0	Message 4016 - Posted: 27 Nov 2017, 18:31:12 UTC
	Could you write, that primes in Sierpinski base 1027 from n≈129000 entering TOP5000? Pre-thanks ____________
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rebirther Volunteer moderator Project administrator Project developer Project tester Project scientist Send message Joined: 2 Jan 13 Posts: 7476 Credit: 43,522,725 RAC: 31,022	Message 4017 - Posted: 27 Nov 2017, 18:55:10 UTC - in response to Message 4016.
	Could you write, that primes in Sierpinski base 1027 from n≈129000 entering TOP5000? Pre-thanks They are too small to enter TOP5000.
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vasyannyasha Send message Joined: 29 Apr 17 Posts: 5 Credit: 19,537 RAC: 0	Message 4018 - Posted: 27 Nov 2017, 19:40:20 UTC Last modified: 27 Nov 2017, 19:57:44 UTC
	oh sorry take 1 "0" more, than real EDIT: Wait... I took my last task and there is length of number from it http://wolframalpha.com/input/?i=IntegerLength%5B75744*1027%5E137435%2B1%5D But on http://primes.utm.edu/primes/status.php We can see that make the top 5000 today a prime must have 391556 digits or meet the size requirements for it's archivable form. ____________
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rebirther Volunteer moderator Project administrator Project developer Project tester Project scientist Send message Joined: 2 Jan 13 Posts: 7476 Credit: 43,522,725 RAC: 31,022	Message 4020 - Posted: 29 Nov 2017, 20:39:15 UTC - in response to Message 4018.
	oh sorry take 1 "0" more, than real EDIT: Wait... I took my last task and there is length of number from it http://wolframalpha.com/input/?i=IntegerLength%5B75744*1027%5E137435%2B1%5D But on http://primes.utm.edu/primes/status.php We can see that make the top 5000 today a prime must have 391556 digits or meet the size requirements for it's archivable form. Interesting link to calculate the digits. I have changed the info in the base loaded thread.
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Aurel Send message Joined: 5 Dec 15 Posts: 14 Credit: 1,164,992 RAC: 0	Message 4022 - Posted: 30 Nov 2017, 0:00:20 UTC
	You can also check this with PARI/GP gp > length(Str(75744*1027^137435+1))
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vasyannyasha Send message Joined: 29 Apr 17 Posts: 5 Credit: 19,537 RAC: 0	Message 4023 - Posted: 30 Nov 2017, 14:40:54 UTC - in response to Message 4020.
	I took this method of calculating number of digits from submission page of PRP Top by Lifchitz ____________
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Aurel Send message Joined: 5 Dec 15 Posts: 14 Credit: 1,164,992 RAC: 0	Message 4024 - Posted: 1 Dec 2017, 3:42:14 UTC - in response to Message 4023.
	I took this method of calculating number of digits from submission page of PRP Top by Lifchitz It should be possible to write an script to check at which n-value Top5000 primes are "available" using the gp-code I noted. IF I have spare time, I´ll bring a list of it either in mersenneforum or here.
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vasyannyasha Send message Joined: 29 Apr 17 Posts: 5 Credit: 19,537 RAC: 0	Message 4025 - Posted: 1 Dec 2017, 7:01:40 UTC - in response to Message 4024. Last modified: 1 Dec 2017, 7:02:20 UTC
	Is it hard to calculate entrance number of digits to TOP5000/log10(base)? ____________
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Message boards : Number crunching : S1027 in TOP5000