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Prove-that-for-all-integer-r-2-HCF-r-n-1-r-m-1-r-HCF-n-m-1-




Question Number 90717 by ~blr237~ last updated on 25/Apr/20
Prove that for all integer r≥2    HCF(r^n −1;r^m −1)=r^(HCF(n;m)) −1
Provethatforallintegerr2HCF(rn1;rm1)=rHCF(n;m)1

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