What is the Least Common Multiple of 78101 and 78118?

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 78101 and 78118 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78101 and 78118, than apply into the LCM equation.

GCF(78101,78118) = 1
LCM(78101,78118) = ( 78101 × 78118) / 1
LCM(78101,78118) = 6101093918 / 1
LCM(78101,78118) = 6101093918

Least Common Multiple (LCM) of 78101 and 78118 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78101 and 78118. First we will calculate the prime factors of 78101 and 78118.

Prime Factorization of 78101

Prime Factorization of 78118

Now multiplying the highest exponent prime factors to calculate the LCM of 78101 and 78118.

LCM(78101,78118) = 78101¹ × 2¹ × 139¹ × 281¹
LCM(78101,78118) = 6101093918