Art of Problem Solving
AoPS Online
Math texts, online classes, and more
for students in grades 5-12.
Visit AoPS Online ‚
Books for Grades 5-12 Online Courses
Beast Academy
Engaging math books and online learning
for students ages 6-13.
Visit Beast Academy ‚
Books for Ages 6-13 Beast Academy Online
AoPS Academy
Small live classes for advanced math
and language arts learners in grades 2-12.
Visit AoPS Academy ‚
Find a Physical Campus Visit the Virtual Campus

2008 iTest Problems/Problem 4

Revision as of 17:12, 7 December 2011 by Yankeesfan (talk | contribs) (Created page with "== Problem == The difference between two prime numbers is <math>11</math>. Find their sum. == Solution == We know that any prime number, excluding <math>2</math> is congruent ...")
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Problem

The difference between two prime numbers is $11$. Find their sum.

Solution

We know that any prime number, excluding $2$ is congruent to $1 \pmod 2$

See also

Retrieved from "https://artofproblemsolving.com/wiki/index.php?title=2008_iTest_Problems/Problem_4&oldid=43608"