Personal Finance

# How do you find LCM using recursion?

By: Mostafa IntakliUpdated: January 13, 2021

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The lcm() function is used to find LCM of a number using recursion. Assign the value of 'common' variable as 1. If condition statement is used to check the modulus of the value of 'common' variable by the value of 'a' variable is equal to 0.

In respect to this, how do you find the LCM of two numbers in C?

Logic to find LCM of two numbers
1. Input two numbers from user. Store them in some variable say num1 and num2 .
2. Find maximum between two numbers. Store the result in some variable, say max .
3. If max is exactly divisible by both numbers.
4. If max is not divisible by both numbers.
5. Repeat steps 2 to 3 step till LCM is found.

Likewise, how do you find the LCM of two numbers?

One way to find the least common multiple of two numbers is to first list the prime factors of each number. Then multiply each factor the greatest number of times it occurs in either number. If the same factor occurs more than once in both numbers, you multiply the factor the greatest number of times it occurs.

How do you find the GCD of two numbers using recursion in C?

The gcd() function is used to find the GCD of two entered integers using recursion. While loop is used to check that both the 'a' and 'b' variable values are not equal. If the condition is true then execute the loop. Otherwise, if the condition is false return the value of 'a' variable.

Is GCD and HCF same?

Examples of greatest common factor or highest common factor or greatest common divisor are discussed here. In greatest common factor (G.C.F)or highest common factor (H.C.F) or greatest common divisor (G.C.D), we know that there is no difference between them. 1. Greatest common factor (G.C.F) of 96 and 64 = 32.

## Related

### What is HCF of two numbers?

HCF (Highest Common Factor) or GCD (Greatest Common Divisor) of two numbers is the largest number that divides both of them. For example GCD of 20 and 28 is 4 and GCD of 98 and 56 is 14.

### How do you find the LCM of 3 numbers in C?

Then you can very easily write a program to find LCM of three numbers also , cause lcm(a,b,c)=lcm(a,lcm(b,c))lcm(a,b,c)=lcm(a,lcm(b,c)). So here's your c program to find LCM of three numbers.

### What are LCM in math?

LCM stands for Least Common Multiple. A multiple is a number you get when you multiply a number by a whole number (greater than 0). A factor is one of the numbers that multiplies by a whole number to get that number.

### What is a lowest common factor?

The lowest common multiple (LCM) is found by listing the multiples of each number and circling any common multiples. The lowest one is the lowest common multiple. Find the lowest common multiple of 5 and 6.

### How do you find the HCF?

The highest common factor is found by multiplying all the factors which appear in both lists: So the HCF of 60 and 72 is 2 × 2 × 3 which is 12. The lowest common multiple is found by multiplying all the factors which appear in either list: So the LCM of 60 and 72 is 2 × 2 × 2 × 3 × 3 × 5 which is 360.

### How do you find GCD using recursion?

The gcd() function is used to find the GCD of two entered integers using recursion. While loop is used to check that both the 'a' and 'b' variable values are not equal. If the condition is true then execute the loop. Otherwise, if the condition is false return the value of 'a' variable.

### How do you find the LCM of a number in Python?

return lcm. num1 = int(input("Enter first number: ")) num2 = int(input("Enter second number: ")) print("The L.C.M. of", num1,"and", num2,"is", lcm(num1, num2))

### How do you find LCM and GCD in C?

The program output is also shown below.
1. * C program to find the GCD and LCM of two integers using Euclids' algorithm.
2. int num1, num2, gcd, lcm, remainder, numerator, denominator;
3. printf("Enter two numbers ");
4. scanf("%d %d", &num1, &num2);
5. if (num1 > num2)
6. numerator = num1;
7. denominator = num2;
8. numerator = num2;

### How do you find the LCM of an array?

LCM of given array elements
1. Initialize ans = arr[0].
2. Iterate over all the elements of the array i.e. from i = 1 to i = n-1. At the ith iteration ans = LCM(arr[0], arr[1], …….., arr[i-1]). This can be done easily as LCM(arr[0], arr[1], …., arr[i]) = LCM(ans, arr[i]).

### What is GCD in C?

The HCF or GCD of two integers is the largest integer that can exactly divide both numbers (without a remainder). There are many ways to find the greatest common divisor in C programming.

### What is LCM in C?

Program To Find LCM In C. Advertisements. L.C.M. or Least Common Multiple of two values, is the smallest positive value which the multiple of both values.

### What is Armstrong number in C?

Armstrong Number in C. Armstrong number is a number that is equal to the sum of cubes of its digits. For example 0, 1, 153, 370, 371 and 407 are the Armstrong numbers.

### What is LCM and HCF?

LCM : The least number which is exactly divisible by each of the given numbers is called the least common multiple of those numbers. For example, consider the numbers 3, 31 and 62 (2 x 31). HCF : The largest number that divides two or more numbers is the highest common factor (HCF) for those numbers.

### What is the fastest way to find the LCM?

How to Find the LCM – FAST!!!
1. Step 1) Find the GCF for the two numbers. For 18 and 30, GCF is 6.
2. Step 2) Divide that GCF into either number; it doesn't matter which one you choose, so choose the one that's easier to divide. Choose 18.
3. Step 3) Take that answer and multiply it by the other number.
4. Step 4) Celebrate …

### What two numbers have the LCM of 60?

Explanation: As the least common multiple of two numbers is 60 , the two numbers are factors of 60 . Among {1,2,3,4,5,6,10,12,15,20,30,60} , 3 & 10 and 5 & 12 are the only two pair of numbers whose difference is 7 .