What is the Least Common Multiple of 67560 and 67568?

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 67560 and 67568 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67560 and 67568, than apply into the LCM equation.

GCF(67560,67568) = 8
LCM(67560,67568) = ( 67560 × 67568) / 8
LCM(67560,67568) = 4564894080 / 8
LCM(67560,67568) = 570611760

Least Common Multiple (LCM) of 67560 and 67568 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67560 and 67568. First we will calculate the prime factors of 67560 and 67568.

Prime Factorization of 67560

Prime Factorization of 67568

Now multiplying the highest exponent prime factors to calculate the LCM of 67560 and 67568.

LCM(67560,67568) = 2⁴ × 3¹ × 5¹ × 563¹ × 41¹ × 103¹
LCM(67560,67568) = 570611760