What is the Least Common Multiple of 67008 and 67020?

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 67008 and 67020 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67008 and 67020, than apply into the LCM equation.

GCF(67008,67020) = 12
LCM(67008,67020) = ( 67008 × 67020) / 12
LCM(67008,67020) = 4490876160 / 12
LCM(67008,67020) = 374239680

Least Common Multiple (LCM) of 67008 and 67020 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67008 and 67020. First we will calculate the prime factors of 67008 and 67020.

Prime Factorization of 67008

Prime Factorization of 67020

Now multiplying the highest exponent prime factors to calculate the LCM of 67008 and 67020.

LCM(67008,67020) = 2⁶ × 3¹ × 349¹ × 5¹ × 1117¹
LCM(67008,67020) = 374239680