Least Common Multiple of 646, 112, 420

Q: How to Find the LCM of 646, 112, 420 ?

Least Common Multiple of 646, 112, 420 = 542640 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(646, 112, 420) = 2 x 2 x 2 x 2 x 3 x 5 x 7 x 17 x 19 = 542640.

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 646, 112, 420 i.e. 542640 smallest integer divisible by all numbers.

Least common multiple (LCM) of 646, 112, 420 is 542640.

LCM(646, 112, 420) = 542640

LCM of 646, 112, 420

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

Least Common Multiple of 646, 112, 420 by common division method
Least Common Multiple of 646, 112, 420 with GCF Formula

Least Common Multiple of 646,112,420

Least Common Multiple (LCM) of 646,112,420 is 542640

2	646, 112, 420
2	323, 56, 210
7	323, 28, 105
	323, 4, 15

∴ So the LCM of the given numbers is 2 x 2 x 7 x 323 x 4 x 15 = 542640

Least Common Multiple of 646,112,420 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 646,112,420 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(646,112,420) = 2

common factors(in case of two or more numbers have common factors) = 28

GCF(646,112,420) x common factors =2 x 28 = 56

LCM(646,112,420) = ( 646 × 112 × 420 ) / 56

LCM(646,112,420) = 30387840 / 56

LCM(646,112,420) = 542640

∴ Least Common Multiple of 646,112,420 is 542640

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 646, 112, 420

1. What is the LCM of 646, 112, 420?

Answer: LCM of 646, 112, 420 is 542640.

2. What are the Factors of 542640?

Answer: Factors of 542640 are . There are integers that are factors of 542640

3. How to Find the LCM of 646, 112, 420 ?

Least Common Multiple of 646, 112, 420.

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(646, 112, 420) = 2 x 2 x 2 x 2 x 3 x 5 x 7 x 17 x 19 = 542640.