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39-mod-4-

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Question Number 15377 by Joel577 last updated on 10/Jun/17
−39 mod 4 = ?
−39mod4=?
Answered by Tinkutara last updated on 10/Jun/17
−39 ≡ −3 (mod 4) ≡ 1 (mod 4) You can check: −39 = 4(−10) + 1 Hence −39 ≡ 1 (mod 4)
−39≡−3(mod4)≡1(mod4)Youcancheck:−39=4(−10)+1Hence−39≡1(mod4)
Commented by Joel577 last updated on 10/Jun/17
thank you very much
thankyouverymuch

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