What is the Least Common Multiple of 65906 and 65916?

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 65906 and 65916 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65906 and 65916, than apply into the LCM equation.

GCF(65906,65916) = 2
LCM(65906,65916) = ( 65906 × 65916) / 2
LCM(65906,65916) = 4344259896 / 2
LCM(65906,65916) = 2172129948

Least Common Multiple (LCM) of 65906 and 65916 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65906 and 65916. First we will calculate the prime factors of 65906 and 65916.

Prime Factorization of 65906

Prime Factorization of 65916

Now multiplying the highest exponent prime factors to calculate the LCM of 65906 and 65916.

LCM(65906,65916) = 2² × 31¹ × 1063¹ × 3² × 1831¹
LCM(65906,65916) = 2172129948