Least Common Multiple of 621, 756, 42

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

• Least Common Multiple of 621, 756, 42 by common division method
• Least Common Multiple of 621, 756, 42 with GCF Formula

∴ So the LCM of the given numbers is 2 x 3 x 3 x 3 x 7 x 23 x 2 x 1 = 17388

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 621,756,42 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(621,756,42) = 3

common factors(in case of two or more numbers have common factors) = 378

GCF(621,756,42) x common factors =3 x 378 = 1134

LCM(621,756,42) = ( 621 × 756 × 42 ) / 1134

LCM(621,756,42) = 19717992 / 1134

LCM(621,756,42) = 17388

∴ Least Common Multiple of 621,756,42 is 17388

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

• LCM of 153, 348, 64
• LCM of 934, 104, 12
• LCM of 990, 182, 15
• LCM of 400, 323, 62
• LCM of 305, 595, 52

1. What is the LCM of 621, 756, 42?

Answer: LCM of 621, 756, 42 is 17388.

2. What are the Factors of 17388?

Answer: Factors of 17388 are . There are integers that are factors of 17388

3. How to Find the LCM of 621, 756, 42 ?

Least Common Multiple of 621, 756, 42.

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, 756, 42) = 2 x 2 x 3 x 3 x 3 x 7 x 23 = 17388.