GCF and LCM Calculator Logo

What is the Least Common Multiple of 79122 and 79140?

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 79122 and 79140 is 1043619180.

LCM(79122,79140) = 1043619180

LCM Calculator and
and

Least Common Multiple of 79122 and 79140 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79122 and 79140, than apply into the LCM equation.

GCF(79122,79140) = 6
LCM(79122,79140) = ( 79122 × 79140) / 6
LCM(79122,79140) = 6261715080 / 6
LCM(79122,79140) = 1043619180

Least Common Multiple (LCM) of 79122 and 79140 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79122 and 79140. First we will calculate the prime factors of 79122 and 79140.

Prime Factorization of 79122

Prime factors of 79122 are 2, 3, 13187. Prime factorization of 79122 in exponential form is:

79122 = 21 × 31 × 131871

Prime Factorization of 79140

Prime factors of 79140 are 2, 3, 5, 1319. Prime factorization of 79140 in exponential form is:

79140 = 22 × 31 × 51 × 13191

Now multiplying the highest exponent prime factors to calculate the LCM of 79122 and 79140.

LCM(79122,79140) = 22 × 31 × 131871 × 51 × 13191
LCM(79122,79140) = 1043619180