Python程序打印1到100之间的素数

编写一个Python程序,打印1到100之间的素数,或者1到n,或者最小值到最大值,并附带示例,同时计算它们的总和。

Python程序使用For循环打印1到100之间的素数

此程序使用for循环和break语句打印1到100之间的素数。首先,我们使用For循环迭代1到100的值。在for循环中,我们使用另一个For循环来检查数字是否可被整除。如果为真,则计数增加,并且break语句跳过该数字。

接下来,if语句检查计数是否为零且给定数字不等于1。如果为真,则打印该数字,因为它是一个素数。

for Number in range (1, 101):
    count = 0
    for i in range(2, (Number//2 + 1)):
        if(Number % i == 0):
            count = count + 1
            break

    if (count == 0 and Number != 1):
        print(" %d" %Number, end = '  ')
 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  

我建议您参考ForWhile素数if语句break语句文章。它们有助于理解Python的逻辑。

这个程序不是盲目地从1到100打印它们,而是允许用户输入最小值和最大值。然后,它打印最小和最大值之间的素数。

minimum = int(input(" Please Enter the Minimum Value: "))
maximum = int(input(" Please Enter the Maximum Value: "))

for Number in range (minimum, maximum + 1):
    count = 0
    for i in range(2, (Number//2 + 1)):
        if(Number % i == 0):
            count = count + 1
            break

    if (count == 0 and Number != 1):
        print(" %d" %Number, end = '  ')
Python Program to print Prime Numbers from 1 to 100

Python程序使用While循环打印1到100之间的素数

在这个例子中,我们只是将上面素数例子中的For循环替换为While循环。

Number = 1

while(Number <= 100):
    count = 0
    i = 2
    
    while(i <= Number//2):
        if(Number % i == 0):
            count = count + 1
            break
        i = i + 1

    if (count == 0 and Number != 1):
        print(" %d" %Number, end = '  ')
    Number = Number  + 1
 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  

此程序显示1到N之间的素数,与上面相同。我们用While循环替换了For循环。

minimum = int(input(" Please Enter the Minimum Value: "))
maximum = int(input(" Please Enter the Maximum Value: "))

Number = minimum

while(Number <= maximum):
    count = 0
    i = 2
    
    while(i <= Number//2):
        if(Number % i == 0):
            count = count + 1
            break
        i = i + 1

    if (count == 0 and Number != 1):
        print(" %d" %Number, end = '  ')
    Number = Number  + 1
 Please Enter the Minimum Value: 100
 Please Enter the Maximum Value: 250
 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  

打印并返回1到100之间素数之和的程序

此程序查找1到100之间的素数,并将这些值相加以计算总和。

minimum = int(input(" Please Enter the Minimum Value: "))
maximum = int(input(" Please Enter the Maximum Value: "))
total = 0

for Number in range (minimum, maximum + 1):
    count = 0
    for i in range(2, (Number//2 + 1)):
        if(Number % i == 0):
            count = count + 1
            break

    if (count == 0 and Number != 1):
        print(" %d" %Number, end = '  ')
        total = total + Number

print("\n\nSum from %d to %d = %d" %(minimum, maximum, total))
 Please Enter the Minimum Value: 10
 Please Enter the Maximum Value: 150
 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  

Sum from 10 to 150 = 2259

此程序允许用户输入最小值和最大值并查找总和。然后,它返回最小值和最大值之间的素数的总和。

minimum = int(input(" Please Enter the Minimum Value: "))
maximum = int(input(" Please Enter the Maximum Value: "))
total = 0

Number = minimum

while(Number <= maximum):
    count = 0
    i = 2
    
    while(i <= Number//2):
        if(Number % i == 0):
            count = count + 1
            break
        i = i + 1

    if (count == 0 and Number != 1):
        print(" %d" %Number, end = '  ')
        total = total + Number
    Number = Number  + 1
        
print("\n\nSum = %d" %total)
 Please Enter the Minimum Value: 1
 Please Enter the Maximum Value: 100
 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  

Sum = 1060