What is the Least Common Multiple of 78158 and 78174?

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 78158 and 78174 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78158 and 78174, than apply into the LCM equation.

GCF(78158,78174) = 2
LCM(78158,78174) = ( 78158 × 78174) / 2
LCM(78158,78174) = 6109923492 / 2
LCM(78158,78174) = 3054961746

Least Common Multiple (LCM) of 78158 and 78174 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78158 and 78174. First we will calculate the prime factors of 78158 and 78174.

Prime Factorization of 78158

Prime Factorization of 78174

Now multiplying the highest exponent prime factors to calculate the LCM of 78158 and 78174.

LCM(78158,78174) = 2¹ × 39079¹ × 3² × 43¹ × 101¹
LCM(78158,78174) = 3054961746