What is the Least Common Multiple of 84105 and 84118?

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 84105 and 84118 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84105 and 84118, than apply into the LCM equation.

GCF(84105,84118) = 1
LCM(84105,84118) = ( 84105 × 84118) / 1
LCM(84105,84118) = 7074744390 / 1
LCM(84105,84118) = 7074744390

Least Common Multiple (LCM) of 84105 and 84118 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84105 and 84118. First we will calculate the prime factors of 84105 and 84118.

Prime Factorization of 84105

Prime Factorization of 84118

Now multiplying the highest exponent prime factors to calculate the LCM of 84105 and 84118.

LCM(84105,84118) = 3³ × 5¹ × 7¹ × 89¹ × 2¹ × 137¹ × 307¹
LCM(84105,84118) = 7074744390