Least Common Multiple of 621, 945, 690

Q: How to Find the LCM of 621, 945, 690 ?

Least Common Multiple of 621, 945, 690 = 43470 Step 1: Divide all the numbers with common prime numbers having remainder zero. Step 2: Then multiply all the prime factors with last row quotient of common division that is LCM(621, 945, 690) = 2 x 3 x 3 x 3 x 5 x 7 x 23 = 43470.

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

Use the LCM of two or more numbers Calculator to find the Least Common Multiple of numbers 621, 945, 690 i.e. 43470 smallest integer divisible by all numbers.

Least common multiple (LCM) of 621, 945, 690 is 43470.

LCM(621, 945, 690) = 43470

LCM of 621, 945, 690

Least common multiple or lowest common denominator (lcd) can be calculated in three ways

Least Common Multiple of 621, 945, 690 by common division method
Least Common Multiple of 621, 945, 690 with GCF Formula

Least Common Multiple of 621,945,690

Least Common Multiple (LCM) of 621,945,690 is 43470

3	621, 945, 690
3	207, 315, 230
3	69, 105, 230
5	23, 35, 230
23	23, 7, 46
	1, 7, 2

∴ So the LCM of the given numbers is 3 x 3 x 3 x 5 x 23 x 1 x 7 x 2 = 43470

Least Common Multiple of 621,945,690 with GCF Formula

The formula of LCM is LCM(a₁,a₂,a₃....,a_n) = ( a₁ × a₂ × a₃ × .... × a_n) / GCF(a₁,a₂,a₃....,a_n) x common factors(if more than 2 numbers have common factors).

We need to calculate greatest common factor of 621,945,690 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(621,945,690) = 3

common factors(in case of two or more numbers have common factors) = 3105

GCF(621,945,690) x common factors =3 x 3105 = 9315

LCM(621,945,690) = ( 621 × 945 × 690 ) / 9315

LCM(621,945,690) = 404923050 / 9315

LCM(621,945,690) = 43470

∴ Least Common Multiple of 621,945,690 is 43470

LCM of two or more Numbers Calculation Examples

Here are some samples of LCM of two or more Numbers calculations.

Frequently Asked Questions on LCM of 621, 945, 690

1. What is the LCM of 621, 945, 690?

Answer: LCM of 621, 945, 690 is 43470.

2. What are the Factors of 43470?

Answer: Factors of 43470 are . There are integers that are factors of 43470

3. How to Find the LCM of 621, 945, 690 ?

Least Common Multiple of 621, 945, 690.

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors with last row quotient of common division that is LCM(621, 945, 690) = 2 x 3 x 3 x 3 x 5 x 7 x 23 = 43470.