What is the Least Common Multiple of 25620 and 25629?

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 25620 and 25629 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25620 and 25629, than apply into the LCM equation.

GCF(25620,25629) = 3
LCM(25620,25629) = ( 25620 × 25629) / 3
LCM(25620,25629) = 656614980 / 3
LCM(25620,25629) = 218871660

Least Common Multiple (LCM) of 25620 and 25629 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25620 and 25629. First we will calculate the prime factors of 25620 and 25629.

Prime Factorization of 25620

Prime Factorization of 25629

Now multiplying the highest exponent prime factors to calculate the LCM of 25620 and 25629.

LCM(25620,25629) = 2² × 3¹ × 5¹ × 7¹ × 61¹ × 8543¹
LCM(25620,25629) = 218871660