120
Views
0
CrossRef citations to date
0
Altmetric
Proof Without Words

Proof Without Words: Cousin Prime Products Modulo 72

Page 245 | Received 15 Jan 2020, Accepted 11 Mar 2022, Published online: 20 Nov 2023
 

Summary

We show visually that if p and p + 4 are primes larger than 3, then the product p(p+4) is congruent to 5 modulo 72.

Acknowledgment

The author wishes to thank an anonymous reviewer for helpful suggestions on an earlier draft of this note.

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.