Quel est le pgcd de 2^243+17 et 15?

By: USER7247
28 Agustus 2025 mathematiques 5 minutes
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Question

Grade: Education Subject: mathematiques
Quel est le pgcd de 2^243+17 et 15?
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Answer (35)

Best Answer
(224)
pgcd(2,15)=1
pgcd(2^2,15)=1
pgcd(2^3,15)=1
pgcd(2^4,15)=1
... etc
pgcd(2^243,15)=1
pgcd(2^243+17,15)=1
ainsi les nombres 2^243+17 et 15 sont premiers entre eux
Answered on 28 Agustus 2025

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