What is the Least Common Multiple of 61906 and 61912?

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 61906 and 61912 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61906 and 61912, than apply into the LCM equation.

GCF(61906,61912) = 2
LCM(61906,61912) = ( 61906 × 61912) / 2
LCM(61906,61912) = 3832724272 / 2
LCM(61906,61912) = 1916362136

Least Common Multiple (LCM) of 61906 and 61912 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61906 and 61912. First we will calculate the prime factors of 61906 and 61912.

Prime Factorization of 61906

Prime Factorization of 61912

Now multiplying the highest exponent prime factors to calculate the LCM of 61906 and 61912.

LCM(61906,61912) = 2³ × 13¹ × 2381¹ × 71¹ × 109¹
LCM(61906,61912) = 1916362136