- #1
lifeonfire
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Homework Statement
Prove that for two integers m,n: all the common divisors divides the g.c.d.(m,n).
Homework Equations
The Attempt at a Solution
g.c.d = aA +bB ; where a, b are the integers
and let d be a common divisor, then:
d|a and d|b.
After this I have no clue where to go.