What is the Least Common Multiple of 13872 and 13876?

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 13872 and 13876 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13872 and 13876, than apply into the LCM equation.

GCF(13872,13876) = 4
LCM(13872,13876) = ( 13872 × 13876) / 4
LCM(13872,13876) = 192487872 / 4
LCM(13872,13876) = 48121968

Least Common Multiple (LCM) of 13872 and 13876 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13872 and 13876. First we will calculate the prime factors of 13872 and 13876.

Prime Factorization of 13872

Prime Factorization of 13876

Now multiplying the highest exponent prime factors to calculate the LCM of 13872 and 13876.

LCM(13872,13876) = 2⁴ × 3¹ × 17² × 3469¹
LCM(13872,13876) = 48121968