For how many different positive integers $$\(n\)$$ is each of $$\(n, n+2\)$$, and $$\(n+4\)$$ a prime number?
A.
2
B.
7
C.
13
D.
none of above
Exam No:2020-2021 Math League First Round Grades 8-9 Year:2021 Question No:22
Answer:
D
Knowledge points:
G8-9 - Number Theory - Divisibility Rules (Application)
Solution:
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