Month: December 2023

Example Input Input upper limit: 100 Output Perfect numbers between 1 to 100: 6, 28 Perfect number is a positive integer which is equal to the sum of its proper positive divisors. For example: 6 is the first perfect numberProper divisors of 6 are 1, 2, 3Sum of its proper divisors = 1 + 2 +…

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Example Input Input any number: 6 Output 6 is PERFECT NUMBER Perfect number is a positive integer which is equal to the sum of its proper positive divisors.For example: 6 is the first perfect numberProper divisors of 6 are 1, 2, 3Sum of its proper divisors = 1 + 2 + 3 = 6.Hence 6 is…

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Example Input Enter lower limit: 1 Enter upper limit: 1000 Output Armstrong number between 1 to 1000 are: 1, 2, 3, 4, 5, 6, 7, 8, 9, 370, 371, 407 An Armstrong number is a n-digit number that is equal to the sum of nth power of its digits. For example,6 = 61 = 6371 = 33 + 73 + 13 = 371 Program…

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Example Input Input number: 371 Output 371 is armstrong number An Armstrong number is a n-digit number that is equal to the sum of the nth power of its digits. For example –6 = 61 = 6371 = 33 + 73 + 13 = 371

Example Input Input any number: 10 Output Prime factors of 10: 2, 5

Example Input Input lower limit: 1 Input upper limit: 20 Output Prime numbers between 1-20: 2, 3, 5, 7, 13, 17, 19 Program to print prime numbers in given range

Example Input Input any number: 17 Output 17 is prime number Prime numbers are the positive integers greater than 1 that is only divisible by 1 and self. For example: 2, 3, 5, 7, 11 etc…

Example Input Input number1: 12 Input number2: 30 Output LCM = 60 LCM is a smallest positive integer that exactly divides two or more numbers. For Example

Example Input Input first number: 12 Input second number: 30 Output HCF of 12 and 30: 6 HCF (Highest Common Factor) is the greatest number that divides exactly two or more numbers. HCF is also known as GCD (Greatest Common Divisor) or GCF (Greatest Common Factor).

Example Input Input number: 5 Output Factorial: 120