What is the Least Common Multiple of 72040 and 72046?

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 72040 and 72046 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72040 and 72046, than apply into the LCM equation.

GCF(72040,72046) = 2
LCM(72040,72046) = ( 72040 × 72046) / 2
LCM(72040,72046) = 5190193840 / 2
LCM(72040,72046) = 2595096920

Least Common Multiple (LCM) of 72040 and 72046 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72040 and 72046. First we will calculate the prime factors of 72040 and 72046.

Prime Factorization of 72040

Prime Factorization of 72046

Now multiplying the highest exponent prime factors to calculate the LCM of 72040 and 72046.

LCM(72040,72046) = 2³ × 5¹ × 1801¹ × 13¹ × 17¹ × 163¹
LCM(72040,72046) = 2595096920