What is the Least Common Multiple of 78113 and 78129?

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 78113 and 78129 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78113 and 78129, than apply into the LCM equation.

GCF(78113,78129) = 1
LCM(78113,78129) = ( 78113 × 78129) / 1
LCM(78113,78129) = 6102890577 / 1
LCM(78113,78129) = 6102890577

Least Common Multiple (LCM) of 78113 and 78129 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78113 and 78129. First we will calculate the prime factors of 78113 and 78129.

Prime Factorization of 78113

Prime Factorization of 78129

Now multiplying the highest exponent prime factors to calculate the LCM of 78113 and 78129.

LCM(78113,78129) = 7¹ × 11159¹ × 3² × 8681¹
LCM(78113,78129) = 6102890577