What is the Least Common Multiple of 12576 and 12580?

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 12576 and 12580 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12576 and 12580, than apply into the LCM equation.

GCF(12576,12580) = 4
LCM(12576,12580) = ( 12576 × 12580) / 4
LCM(12576,12580) = 158206080 / 4
LCM(12576,12580) = 39551520

Least Common Multiple (LCM) of 12576 and 12580 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12576 and 12580. First we will calculate the prime factors of 12576 and 12580.

Prime Factorization of 12576

Prime Factorization of 12580

Now multiplying the highest exponent prime factors to calculate the LCM of 12576 and 12580.

LCM(12576,12580) = 2⁵ × 3¹ × 131¹ × 5¹ × 17¹ × 37¹
LCM(12576,12580) = 39551520