The Math Forum



Search All of the Math Forum:

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


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

Topic: Largest primeproduct with 2 as factor?
Replies: 19   Last Post: Aug 16, 2007 1:06 PM

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]
jonas.thornvall@hotmail.com

Posts: 355
Registered: 6/24/07
Re: Largest primeproduct with 2 as factor?
Posted: Aug 15, 2007 6:03 PM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

On 16 Aug, 00:00, stephane.fr...@gmail.com wrote:
> On Aug 15, 2:53 pm, jonas.thornv...@hotmail.com wrote:
>

> > I do not know much math, i just wonder if there is a largest
> > primeproduct with two as one of the factors.
> > Same i wonder for three.

>
> > If not..., but if so is it true for any primefactor used in
> > primeproduct that they will have a range?
> > Do every factor have a range in primeproducts?

>
> > A pure guess tell me that the numbers of primeproducts with 2 or 3
> > used as one of the factor is infinite but i am not sure.

>
> > JT
>
> You guess is right. This is because there is infinity prime number
> then if N is the bigger prime product, you will find A your biggest
> prime with A = N/2. You can find a prime number A' with A'> A, then N'
> = A x 2 > N. Same rules with 3 or any prime numbers.
>
> SF


Could anyone tell me the biggest "known" primeproduct that has two as
factor?




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

[Privacy Policy] [Terms of Use]

© The Math Forum at NCTM 1994-2017. All Rights Reserved.