Least Common Multiple of 21, 643, 423

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

• Least Common Multiple of 21, 643, 423 by common division method
• Least Common Multiple of 21, 643, 423 with GCF Formula

∴ So the LCM of the given numbers is 3 x 7 x 643 x 141 = 1903923

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 21,643,423 and common factors if more than two numbers have common factor, than apply into the LCM equation.

GCF(21,643,423) = 1

common factors(in case of two or more numbers have common factors) = 3

GCF(21,643,423) x common factors =1 x 3 = 3

LCM(21,643,423) = ( 21 × 643 × 423 ) / 3

LCM(21,643,423) = 5711769 / 3

LCM(21,643,423) = 1903923

∴ Least Common Multiple of 21,643,423 is 1903923

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

• LCM of 12, 665, 113
• LCM of 25, 362, 715
• LCM of 28, 701, 283
• LCM of 65, 301, 312
• LCM of 85, 229, 224

1. What is the LCM of 21, 643, 423?

Answer: LCM of 21, 643, 423 is 1903923.

2. What are the Factors of 1903923?

Answer: Factors of 1903923 are . There are integers that are factors of 1903923

3. How to Find the LCM of 21, 643, 423 ?

Least Common Multiple of 21, 643, 423.

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(21, 643, 423) = 3 x 3 x 7 x 47 x 643 = 1903923.