GCF and LCM Calculator Logo

What is the Least Common Multiple of 68085 and 68089?

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 (LCM) of 68085 and 68089 is 4635839565.

LCM(68085,68089) = 4635839565

LCM Calculator and
and

Least Common Multiple of 68085 and 68089 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68085 and 68089, than apply into the LCM equation.

GCF(68085,68089) = 1
LCM(68085,68089) = ( 68085 × 68089) / 1
LCM(68085,68089) = 4635839565 / 1
LCM(68085,68089) = 4635839565

Least Common Multiple (LCM) of 68085 and 68089 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68085 and 68089. First we will calculate the prime factors of 68085 and 68089.

Prime Factorization of 68085

Prime factors of 68085 are 3, 5, 17, 89. Prime factorization of 68085 in exponential form is:

68085 = 32 × 51 × 171 × 891

Prime Factorization of 68089

Prime factors of 68089 are 7, 71, 137. Prime factorization of 68089 in exponential form is:

68089 = 71 × 711 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 68085 and 68089.

LCM(68085,68089) = 32 × 51 × 171 × 891 × 71 × 711 × 1371
LCM(68085,68089) = 4635839565