What is the Least Common Multiple of 78116 and 78130?

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 78116 and 78130 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78116 and 78130, than apply into the LCM equation.

GCF(78116,78130) = 2
LCM(78116,78130) = ( 78116 × 78130) / 2
LCM(78116,78130) = 6103203080 / 2
LCM(78116,78130) = 3051601540

Least Common Multiple (LCM) of 78116 and 78130 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78116 and 78130. First we will calculate the prime factors of 78116 and 78130.

Prime Factorization of 78116

Prime Factorization of 78130

Now multiplying the highest exponent prime factors to calculate the LCM of 78116 and 78130.

LCM(78116,78130) = 2² × 59¹ × 331¹ × 5¹ × 13¹ × 601¹
LCM(78116,78130) = 3051601540