1,2,14,15,47,69,111,152,496,19哪个是质数哪个是合数?答:质数是:2,47,19 合数是:14,15,69,111,152,496
36,47,93,82,105,120,19,64,。它们几个哪些是质数哪些是合数哪些是奇...答:120既不是质数也不是奇偶性都相同的数字(即既非全为奇数也非全为偶数组成),因此它必须至少有一个大于1的平方根。120=2×2×2×3×5, 因此120 = 2² × 3 × 5, 是合数组成的数字,并且还能够分解成两个或更多素数组成的乘积形式。19和64都属于奇素与进行分类:19是质数,因为它...
1~121那个是质数答:1000以内的质数:2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97,101,103,107,109,113,127,131,137,139,149,151,157,163,167,173,179,181,191,193,197,199,211,223,227,229,233,239,241,251,257,263,269,271,277,281,283,293,307,311,313...