Drexel dragonThe Math ForumDonate to the Math Forum

Search All of the Math Forum:

Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.

Math Forum » Discussions » sci.math.* » sci.math

Topic: Two flavors of Prime Numbers involved in their running sums
Replies: 4   Last Post: Jan 24, 2011 6:13 AM

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]

Posts: 1,089
Registered: 12/6/04
Re: Two flavors of Prime Numbers involved in their running sums
Posted: Jan 24, 2011 6:13 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

On Jan 21, 2:10 pm, rom...@sbcglobal.net wrote:
> Ok Henry
> but counting a sequence is very straight forward.
> I made sure my work was in harmony with the published data.
> The series shows the following in the same run, making your claims
> rather
> lame.
> mark 1e6  at step:78497 PN : 999979  Sum: 3.754940E+10 Lp: 50.599179
> mark 1e9  at step:50847533 PN : 999999929  Sum: 2.473951E+16 Lp: 78.441917
> mark 1e10  at step:455052510 PN : 9999999943  Sum: 2.220822E+18 Lp: 87.787554
> at step 1000000000,  PN is 22801763489 sum Lp 91.138528

I think you will find most sources say there are 78498 primes smaller
than 1 million, and that the largest of them is 999983, so their sum
is 37550402023. Your other two also look as if they are out by one

Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© The Math Forum 1994-2015. All Rights Reserved.