What is the Least Common Multiple of 12128 and 12135?

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 12128 and 12135 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12128 and 12135, than apply into the LCM equation.

GCF(12128,12135) = 1
LCM(12128,12135) = ( 12128 × 12135) / 1
LCM(12128,12135) = 147173280 / 1
LCM(12128,12135) = 147173280

Least Common Multiple (LCM) of 12128 and 12135 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12128 and 12135. First we will calculate the prime factors of 12128 and 12135.

Prime Factorization of 12128

Prime Factorization of 12135

Now multiplying the highest exponent prime factors to calculate the LCM of 12128 and 12135.

LCM(12128,12135) = 2⁵ × 379¹ × 3¹ × 5¹ × 809¹
LCM(12128,12135) = 147173280