在五十一六十一七十一八十一九十一这五个数中素数有
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六十一和七十一是素数，其余三个不是。绛旓細2銆佸崄鍥涘埌鍗佷節灏辨槸鍦ㄨ嫳鏂囧崟璇嶅洓鍒颁節涔嬪悗鍔犱笂-teen銆3銆佷簩鍗併佷笁鍗併佸洓鍗併佷簲鍗併佸叚鍗併佷竷鍗併佸叓鍗併涔濆崄閮芥槸浠-ty缁撳熬銆4銆佷簩鍗佷竴鍒颁簩鍗佷節銆佷笁鍗佷竴鍒颁笁鍗佷節銆佸洓鍗佷竴鍒板洓鍗佷節銆浜斿崄涓鍒颁簲鍗佷節銆鍏崄涓鍒板叚鍗佷節銆涓冨崄涓鍒颁竷鍗佷節銆鍏崄涓鍒板叓鍗佷節銆佷節鍗佷竴鍒颁節鍗佷節锛屽氨鏄湪浜屽崄銆佷笁鍗併佸洓鍗併佷簲鍗併佸叚鍗併佷竷鍗併...
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