What is the Least Common Multiple of 39115 and 39135?

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 39115 and 39135 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39115 and 39135, than apply into the LCM equation.

GCF(39115,39135) = 5
LCM(39115,39135) = ( 39115 × 39135) / 5
LCM(39115,39135) = 1530765525 / 5
LCM(39115,39135) = 306153105

Least Common Multiple (LCM) of 39115 and 39135 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39115 and 39135. First we will calculate the prime factors of 39115 and 39135.

Prime Factorization of 39115

Prime Factorization of 39135

Now multiplying the highest exponent prime factors to calculate the LCM of 39115 and 39135.

LCM(39115,39135) = 5¹ × 7823¹ × 3¹ × 2609¹
LCM(39115,39135) = 306153105