if(prime(i)&&prime(m-i)) 这句话怎么解释,prime为调用函数,这个if语句有意义吗?

if(prime(i)&&prime(m-i)) 这句话怎么解释,prime为调用函数,这个if语句有意义吗? Prime prime Prime 请问for 语句里Prime [i]*prime[i] optimus prime prime是什么意思 prime是什么意思 Prime是什么意思? prime minister the prime sub prime prime meridian SAT数学题：If m is a positive integer,which of the following could be true?I.m平方 is a prime number II.根号m is a prime number III.m平方=根号mA.I only B.IIonly.C.IIIonly D.II and III E.I,II,and III 答案是不是E啊.. 会英语和数学的来I'm the product of four prime numbers.My three digits are all prime and different.The sum of my prime factors is 30.Who am 急 请大家看看我这mathematica程序哪里出错了Mersenne[n_Integer]:=Module[{M,i,u=4},If[!Prime Q[n],False,M=2^n-1;For[i=1,i set talk off clear for W=100to 200 prime=.t. for I=2to W-1 if mod(W,I)=0 prime=.f. exit endif enddo哪里错掉了.嵌套错误又是什么.不是很懂若改为任意范围内的素数和（100与200用m,n代替呢.该怎么写）非常感谢.机试 If teh n-th prime number is 47,the n