(adsbygoogle = window.adsbygoogle || []).push({}); Prove that ifand [j] are equivalence classes modulo

1. Prove that ifand [j] are equivalence classes modulo n such that=[j], then gcd(i,n)=gcd(j,n)

2. Prove that if gcd(a,b)=1 and if c divides b, then gcd(a,c)=1.

plz help

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Prove that if and [j] are equivalence classes modulo

**Physics Forums | Science Articles, Homework Help, Discussion**