What is the Least Common Multiple of 67008 and 67028?

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 67028 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 67028, than apply into the LCM equation.

GCF(67008,67028) = 4
LCM(67008,67028) = ( 67008 × 67028) / 4
LCM(67008,67028) = 4491412224 / 4
LCM(67008,67028) = 1122853056

Least Common Multiple (LCM) of 67008 and 67028 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67008 and 67028. First we will calculate the prime factors of 67008 and 67028.

Prime Factorization of 67008

Prime Factorization of 67028

Now multiplying the highest exponent prime factors to calculate the LCM of 67008 and 67028.

LCM(67008,67028) = 2⁶ × 3¹ × 349¹ × 13¹ × 1289¹
LCM(67008,67028) = 1122853056