What is the Least Common Multiple of 12672 and 12681?

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 12672 and 12681 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12672 and 12681, than apply into the LCM equation.

GCF(12672,12681) = 9
LCM(12672,12681) = ( 12672 × 12681) / 9
LCM(12672,12681) = 160693632 / 9
LCM(12672,12681) = 17854848

Least Common Multiple (LCM) of 12672 and 12681 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12672 and 12681. First we will calculate the prime factors of 12672 and 12681.

Prime Factorization of 12672

Prime Factorization of 12681

Now multiplying the highest exponent prime factors to calculate the LCM of 12672 and 12681.

LCM(12672,12681) = 2⁷ × 3² × 11¹ × 1409¹
LCM(12672,12681) = 17854848