What is the Least Common Multiple of 12040 and 12046?

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 12040 and 12046 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12040 and 12046, than apply into the LCM equation.

GCF(12040,12046) = 2
LCM(12040,12046) = ( 12040 × 12046) / 2
LCM(12040,12046) = 145033840 / 2
LCM(12040,12046) = 72516920

Least Common Multiple (LCM) of 12040 and 12046 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12040 and 12046. First we will calculate the prime factors of 12040 and 12046.

Prime Factorization of 12040

Prime Factorization of 12046

Now multiplying the highest exponent prime factors to calculate the LCM of 12040 and 12046.

LCM(12040,12046) = 2³ × 5¹ × 7¹ × 43¹ × 19¹ × 317¹
LCM(12040,12046) = 72516920