Least Common Multiple of 639, 1680

Q: How to Find the LCM of 639, 1680 ?

Least Common Multiple of 639, 1680 = 357840 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(639, 1680) = 2 x 2 x 2 x 2 x 3 x 3 x 5 x 7 x 71 = 357840.

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 639, 1680 i.e. 357840 smallest integer divisible by all numbers.

Least common multiple (LCM) of 639, 1680 is 357840.

LCM(639, 1680) = 357840

LCM of 639, 1680

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

Least Common Multiple of 639, 1680 by common division method
Least Common Multiple of 639, 1680 with GCF Formula

Least Common Multiple of 639,1680

Least Common Multiple (LCM) of 639,1680 is 357840

3	639, 1680
	213, 560

∴ So the LCM of the given numbers is 3 x 213 x 560 = 357840

Least Common Multiple of 639,1680 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 639,1680 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(639,1680) = 3

common factors(in case of two or more numbers have common factors) = 1

GCF(639,1680) x common factors =3 x 1 = 3

LCM(639,1680) = ( 639 × 1680 ) / 3

LCM(639,1680) = 1073520 / 3

LCM(639,1680) = 357840

∴ Least Common Multiple of 639,1680 is 357840

LCM of two or more Numbers Calculation Examples

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Frequently Asked Questions on LCM of 639, 1680

1. What is the LCM of 639, 1680?

Answer: LCM of 639, 1680 is 357840.

2. What are the Factors of 357840?

Answer: Factors of 357840 are . There are integers that are factors of 357840

3. How to Find the LCM of 639, 1680 ?

Least Common Multiple of 639, 1680.

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(639, 1680) = 2 x 2 x 2 x 2 x 3 x 3 x 5 x 7 x 71 = 357840.