What is the Least Common Multiple of 51621 and 51638?

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 51621 and 51638 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51621 and 51638, than apply into the LCM equation.

GCF(51621,51638) = 1
LCM(51621,51638) = ( 51621 × 51638) / 1
LCM(51621,51638) = 2665605198 / 1
LCM(51621,51638) = 2665605198

Least Common Multiple (LCM) of 51621 and 51638 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51621 and 51638. First we will calculate the prime factors of 51621 and 51638.

Prime Factorization of 51621

Prime Factorization of 51638

Now multiplying the highest exponent prime factors to calculate the LCM of 51621 and 51638.

LCM(51621,51638) = 3¹ × 17207¹ × 2¹ × 25819¹
LCM(51621,51638) = 2665605198