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Cho p va 2p +1 la cac so nguyen to [p>5] .Hoi 4p+1 la cac so nguyen to hay la hop so ?
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Cho p la so nguyen to (p<3) va 2p+1 cung la so nguyen to . Hoi 4p+1 la so nguyen to hay hop so?Vi sao?
CHO p va 2p+1 la các so nguyen to (p>3). Hoi 4p+1 la so nguyen to hay hoi so
cho P>5 la so nguyen to va 2P+1 cung la 1 so nguyen to Chung minh 4P+1 la hop so
cho p va p+8 la cac so nguyen to [p>3] Hoi p+100 la so nguyen to hay hop so
cho 2p+1 va p la so nguyen to (p>3) chung minh rang 4p+1 la hop so
cho p va 2p+1 la so nguyen to (p>3).chung minh rang:4p+1 La hop so
cho p la so nguyen to lon hon 3. Biet 8p+1 va p deu la so nguyen to (p lon hon 3).Hoi p+100 la so nguyen to hay hop so
Cho P va 8P-1 la so nguyen to (p>3)
Hoi 8P+1 la so nguyen to hay hop so.