What is the Least Common Multiple of 84105 and 84117?

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 84117 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 84117, than apply into the LCM equation.

GCF(84105,84117) = 3
LCM(84105,84117) = ( 84105 × 84117) / 3
LCM(84105,84117) = 7074660285 / 3
LCM(84105,84117) = 2358220095

Least Common Multiple (LCM) of 84105 and 84117 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84105 and 84117. First we will calculate the prime factors of 84105 and 84117.

Prime Factorization of 84105

Prime Factorization of 84117

Now multiplying the highest exponent prime factors to calculate the LCM of 84105 and 84117.

LCM(84105,84117) = 3³ × 5¹ × 7¹ × 89¹ × 11¹ × 2549¹
LCM(84105,84117) = 2358220095