1-100以内的素数,合数,奇数,偶数
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1-100以内的素数,合数,奇数,偶数
1-100以内的素数,合数,奇数,偶数
1-100以内的素数,合数,奇数,偶数
1至100:
1既不是质数也不是合数
素数(也就是质数)(只能被1和它本身整除):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(以上数各自的约数都只有1和它本身)【共25个】
合数:(有除了1和它本身以外的非0约数,也就是能被1和它本身之外的其它某一个非0自然数整除)4,6,8,9,10,12,14,15,16,18,20,21,22,24,25,26,27,28,30,32,33,34,35,36,38,39,40,42,44,45,46,48,50,51,52,54,55,56,57,58,60,62,63,64,65,66,68,69,70,71,72,74,75,76,77,78,80,81,82,84,85,86,88,90,92,93,94,95,96,98,99,100【共74个】
奇数:(单数)1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97,99【共50个】
偶数:(双数,能被2整除的数,其实0也是偶数,只不过你要求1至100,0不在其区间内)2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62,64,66,68,70,72,74,76,78,80,82,84,86,88,90,92,94,96,98,100【共50个】
1既不是质数也不是合数
质数:2, 3, 5, 7 ,11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 49, 53, 59 61, 67, 73, 79, 83, 87, 89, 91, 97 ,剩下的都是合数。
奇数1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45...
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1既不是质数也不是合数
质数:2, 3, 5, 7 ,11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 49, 53, 59 61, 67, 73, 79, 83, 87, 89, 91, 97 ,剩下的都是合数。
奇数1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97.,99
奇数之外就是偶数(奇数是单的,偶数是双的)
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1至100:
1既不是质数也不是合数
素数(也就是质数):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【共25个】
合数:4,6,8,9,10,12,14,15,16,18,20,21,22,24,25,26,27,28,30,32,33,34,35,36,38,39,40,42...
全部展开
1至100:
1既不是质数也不是合数
素数(也就是质数):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【共25个】
合数:4,6,8,9,10,12,14,15,16,18,20,21,22,24,25,26,27,28,30,32,33,34,35,36,38,39,40,42,44,45,46,48,50,51,52,54,55,56,57,58,60,62,63,64,65,66,68,69,70,71,72,74,75,76,77,78,80,81,82,84,85,86,88,90,92,93,94,95,96,98,99,100【共74个】
奇数:1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97,99【共50个】
偶数:2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62,64,66,68,70,72,74,76,78,80,82,84,86,88,90,92,94,96,98,100【共50个】
收起
1至100:
1既不是质数也不是合数
素数(也就是质数)(只能被1和它本身整除):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(以上数各自的约数都只有1和它本身)【共25个】
合数:(有除了1和它本身以外的非0约数,也就是能被1和它本身之外的其它某一个非0自然数整除)4,6,8,...
全部展开
1至100:
1既不是质数也不是合数
素数(也就是质数)(只能被1和它本身整除):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(以上数各自的约数都只有1和它本身)【共25个】
合数:(有除了1和它本身以外的非0约数,也就是能被1和它本身之外的其它某一个非0自然数整除)4,6,8,9,10,12,14,15,16,18,20,21,22,24,25,26,27,28,30,32,33,34,35,36,38,39,40,42,44,45,46,48,50,51,52,54,55,56,57,58,60,62,63,64,65,66,68,69,70,71,72,74,75,76,77,78,80,81,82,84,85,86,88,90,92,93,94,95,96,98,99,100【共74个】
奇数:(单数)1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97,99【共50个】
偶数:(双数,能被2整除的数,其实0也是偶数,只不过你要求1至100,0不在其区间内)2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62,64,66,68,70,72,74,76,78,80,82,84,86,88,90,92,94,96,98,100【共50个】 这是我在百度文库上写的 你抄我的
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1至100:
1既不是质数也不是合数
素数(也就是质数)(只能被1和它本身整除):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(以上数各自的约数都只有1和它本身)【共25个】
合数:(有除了1和它本身以外的非0约数,也就是能被1和它本身之外的其它某一个非0自然数整除)4,6,8,...
全部展开
1至100:
1既不是质数也不是合数
素数(也就是质数)(只能被1和它本身整除):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(以上数各自的约数都只有1和它本身)【共25个】
合数:(有除了1和它本身以外的非0约数,也就是能被1和它本身之外的其它某一个非0自然数整除)4,6,8,9,10,12,14,15,16,18,20,21,22,24,25,26,27,28,30,32,33,34,35,36,38,39,40,42,44,45,46,48,50,51,52,54,55,56,57,58,60,62,63,64,65,66,68,69,70,71,72,74,75,76,77,78,80,81,82,84,85,86,88,90,92,93,94,95,96,98,99,100【共74个】
奇数:(单数)1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97,99【共50个】
偶数:(双数,能被2整除的数,其实0也是偶数,只不过你要求1至100,0不在其区间内)2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62,64,66,68,70,72,74,76,78,80,82,84,86,88,90,92,94,96,98,100【共50个】
收起
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 合数4,6,8,9,10,12,