What is the Least Common Multiple of 6546 and 6556?

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 6546 and 6556 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6546 and 6556, than apply into the LCM equation.

GCF(6546,6556) = 2
LCM(6546,6556) = ( 6546 × 6556) / 2
LCM(6546,6556) = 42915576 / 2
LCM(6546,6556) = 21457788

Least Common Multiple (LCM) of 6546 and 6556 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6546 and 6556. First we will calculate the prime factors of 6546 and 6556.

Prime Factorization of 6546

Prime Factorization of 6556

Now multiplying the highest exponent prime factors to calculate the LCM of 6546 and 6556.

LCM(6546,6556) = 2² × 3¹ × 1091¹ × 11¹ × 149¹
LCM(6546,6556) = 21457788