首页
登录
职称英语
If n= pqr, where p, q, and r are three different prime numbers, how many differe
If n= pqr, where p, q, and r are three different prime numbers, how many differe
游客
2025-02-23
8
管理
问题
If n= pqr, where p, q, and r are three different prime numbers, how many different positive divisors does n have?
选项
A、3
B、5
C、6
D、7
E、8
答案
E
解析
P、q、r是3个不同的质数,则n=pqr就是对整数n做质因数分解,根据因数个数计算步骤,可知n有(1+1)×(1+1)×(1+1)=8个因数。答案为E选项。
转载请注明原文地址:https://tihaiku.com/zcyy/3969739.html
相关试题推荐
Fourdifferentpersonswillbeselectedfrom2menand5womentoserveonacom
Ifpandnareprimenumbers,p-n=4,and1.5<p/n<2,whatisthevalueofp?_____
Thefunctionfhasthepropertythatf(x)=f(x+1)forallnumbersx.Iff(5)=
Benhas30pencilsinabox.Eachofthepencilsisoneof5differentcolors,a
A,B,C,D,Earefiverealnumbers.Ais50%greaterthanB.Bis20%lessthan
Themedianof21differentintegersis17.Whichofthefollowingistheleastp
Ifxandyaredifferentprimenumbers,eachgreaterthan2,whichofthefollow
Howmany"+"addedtotheninenumbersbelowcanmaketheresult99?(Adjacentn
QuantityA:thestandarddeviationoftheoddnumbersbetween1and19inclusive
Ifx,yandzaredifferentpositiveintegerslessthan10,whatisthegreatest
随机试题
NoonepersonhasdonemoretoshapemodernsexualvaluesinAmericaandther
MakeourTouristInformationCenteryourfirstcallwhenplanningyourvisit
Themorewelookatthepaintedpicturehungonthewall,______.A、welikeitle
Oldstereotypesdiehard.Pictureavideo-gameplayerandyouwilllikelyim
Thisiswhatpeopletalkaboutwhentheytalkaboutthefuture.Theytalkab
[originaltext]W:Hello,ProfessorDannis,mynameisAnnaAdams.Ireadinthe
某软件开发公司员工50人,平均年龄28岁.全部为男性,工作强度大,经常加班、熬夜
女,25岁,孕23周,因"寒战高热伴右侧腰痛1天"入院。血压110/70mmHg
下列哪项属实证A.头形过大 B.头形过小 C.囟陷 D.囟填 E.解颅
根据《水利工程建设程序管理暂行规定》(水建[1998]16号),水利工程项目开展
最新回复
(
0
)