LCM of 3 Numbers Calculator LCM of 4 Numbers Calculator LCM of 5 Numbers Calculator LCD Calculator How to find LCM LCM and HCF Questions Least Common Denominator Calculator Greatest Common Divisor Calculator HCF Calculator HCF of 3 Numbers Calculator HCF of 4 Numbers Calculator GCD Calculator Greatest Common Factor Calculator Least Common Multiple Calculator Common Factors Calculator

LCM of 649, 403, 961, 921

Created By : Jatin Gogia
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023


Find the LCM of 649, 403, 961, 921 with the LCM of Two or More Numbers Calculator. Here we are teaching you two different methods through which you can calculate the LCM of 649, 403, 961, 921. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 649,403,961,921

Given numbers are 649,403,961,921

The least common multiple of numbers can be find using the prime factorization method or LCM formula.

The LCM of 649,403,961,921 is 7467428397.

Find LCM of 649,403,961,921 with Prime Factorization


31 649, 403, 961, 921
649, 13, 31, 921

Multiply the prime numbers at the bottom and the left side.

31 x 649 x 13 x 31 x 921 = 7467428397

Therefore, the lowest common multiple of 649,403,961,921 is 7467428397.

LCM Formula to Find Lowest Common Multiple of 649,403,961,921

LCM formula is LCM(a1, a2, an) = (a1 x a2 x an)/{GCF(a1 x a2 x an) x common factors}

Firstly, we have to find the product of all the numbers.

649 x 403 x 961 x 921 = 231490280307

Then, let us find the GCF of these five numbers. To do so, we have to list down the factors for each number and choose the highest factor that is in all of the lists.

649 : 1, 11, 59, 649

403 : 1, 13, 31, 403

961 : 1, 31, 961

921 : 1, 3, 307, 921

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 649,403,961,921, is 1.

Now, the common factors can be found like this.

649:11x 59

403:13x 31

961:31x 31

921:3x 307

From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.

31 = 31

Therefore, the value for common factors is 31.

Now that we have all the elements of the formula, we can plug them in to calculate the LCM.

LCM(a1, a2, an) = (a1 x a2 x an)/{GCF(a1 x a2 x an) x common factors}

LCM = 231490280307/(1x31)

LCM = 231490280307/31

LCM = 7467428397

Thus, we can understand that the LCM of 649,403,961,921 is 7467428397.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 649, 403, 961, 921

1. What is the LCM of 649, 403, 961, 921?

Answer: LCM of 649, 403, 961, 921 is 7467428397.

2. How to calculate the LCM of 649, 403, 961, 921?

The LCM can be found using two methods. You can either use the LCM formula or the prime factorization method to calculate the LCM of 649, 403, 961, 921.

3. What is the LCM formula?

The LCM formula is LCM(a1, a2, an) = (a1 x a2 x an)/{GCF(a1 x a2 x an) x common factors}.