What is the Least Common Multiple of 26920 and 26940?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least Common Multiple of 26920 and 26940 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 26920 and 26940, than apply into the LCM equation.

GCF(26920,26940) = 20
LCM(26920,26940) = ( 26920 × 26940) / 20
LCM(26920,26940) = 725224800 / 20
LCM(26920,26940) = 36261240

Least Common Multiple (LCM) of 26920 and 26940 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 26920 and 26940. First we will calculate the prime factors of 26920 and 26940.

Prime Factorization of 26920

Prime Factorization of 26940

Now multiplying the highest exponent prime factors to calculate the LCM of 26920 and 26940.

LCM(26920,26940) = 2³ × 5¹ × 673¹ × 3¹ × 449¹
LCM(26920,26940) = 36261240