Register
Find all positive integers $n$ such that $n$, $n + 2$, and $n + 4$ are all prime.
229k views
3 votes
Find all positive integers $n$ such that $n$, $n + 2$, and $n + 4$ are all prime.

User Conmulligan
by
8.1k points

1 Answer

7 votes
Hello,
(3,5,7) is the alone solution.
==============
User DHamrick
by
9.3k points
← Prev Question Next Question →

Related questions

User Falco Winkler
asked Nov 19, 2017 36.5k views
Find all positive integers $n$ such that $n$, $n + 2$, and $n + 4$ are all prime.
Falco Winkler asked Nov 19, 2017
by Falco Winkler
8.6k points
1 answer
2 votes
36.5k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
The cost of 5 similar digital cameras and 3 similar video cameras is 3213. Each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he
Link Copied!