1 is a factor,25!=1*25! 2 is a prime number 3 is a prime number 4 is a factor,25!=4*1*2*3*5*6*...*25 25!指的是25阶乘=25*24*...*1 5显然是factor 6,7,8,9,10,...,25显然都是factor 26=2*13也是 27=3*3*3,25!中有3和9,所以也是factor 28=4*7,factor 29是prime ...
HIV is very effectively transmitted during anal intercourse unprotected by condoms (UAI), with a meta-analysis finding that women may have an 18-fold greater HIV acquisition risk during UAI compared to vaginal intercourse unprotected by condoms (UVI) [1]. Thus, even a small proportion of interco...
翻译：如果n和m是正整数，m是62的因子，那么 62=2x31 m is a factor of 62,=> m=1 or 2, or 31 or 62 n and m are positive integers 3n= 36/m m=1 =>n=12 m=2, =>n=6 m=31, =>n= 12/11 ( rej )m=62, =>n=6/31 (rej)the greatest possible number of integers...
A number is a multiple of 8 and a factor of 32. What is the number? A. 8 B. 16 C. 24 D. 32 相关知识点: 试题来源: 解析 A。8 的倍数有 8、16、24 等,32 的因数有 1、2、4、8、16、32,既是 8 的倍数又是 32 的因数的是 8,所以选择 A。
what is the least positive integer that is not a factor pf 25! and is not a prime number 求翻译
If k is an integer and 2 < k <8, what is the value of k? (1) k is a factor of 30. (2) A-is a factor of 12. 选项: A、Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. B、Statement (2) ALONE is sufficient, but statement (1) alone is not...
Ifpis the product of the integers from 1 to 30, inclusive, what is the greatest integerkfor which 3kis a factor ofp? 选项: A、10 B、12 C、14 D、16 E、18 答案: C 提问列表 提问: 老师这题应该怎么去解呢 解答: 点赞0 阅读893 ...
This is how he feels when he sees a new kind of bird. Goenarto is a birdwatcher and wildlife photographer from Indonesia. He is now 31 years old. When he became sick in college, his doctor asked him to go out more often for sunlight, exercise and fresh air. 1 A birdwatcher ...
A square is scaled by a factor of 3. What is the ratio of the new area to the original area? A. 3:1 B. 6:1 C. 9:1 D. 12:1 相关知识点: 试题来源: 解析 C。解析:正方形边长扩大 3 倍,面积扩大 9 倍,所以新面积与原面积的比是 9:1。
If n is the product of the integers from1 to 20 inclusive, what is the greatest integer k for which 2k is a factor of n? 选项: A、10 B、12 C、15 D、18 E、20 答案: D 经典答疑 发起提问 提问: 点此查看答疑 这题有没有快速的方法找到20!有多少个2? 评分: 2 浏览: 3404 提问...