213k views
2 votes
If a is an integer, prove that (14a + 3, 21a + 4) = 1.

User FvB
by
7.7k points

1 Answer

4 votes

Answer:

(14a+3, 21+4) = 1

Explanation:

We are going to use the Euclidean Algorithm to prove that these two integers have a gcd of 1.

gcd (14a + 3, 21a + 4) = gcd (14a+3, 7a + 1) = gcd (1, 7a+1) = 1

Therefore,

(14a + 3, 21a + 4) = 1

User Arun Kumar M
by
9.1k points