What is the Least Common Multiple of 80072 and 80078?

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 80072 and 80078 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80072 and 80078, than apply into the LCM equation.

GCF(80072,80078) = 2
LCM(80072,80078) = ( 80072 × 80078) / 2
LCM(80072,80078) = 6412005616 / 2
LCM(80072,80078) = 3206002808

Least Common Multiple (LCM) of 80072 and 80078 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80072 and 80078. First we will calculate the prime factors of 80072 and 80078.

Prime Factorization of 80072

Prime Factorization of 80078

Now multiplying the highest exponent prime factors to calculate the LCM of 80072 and 80078.

LCM(80072,80078) = 2³ × 10009¹ × 40039¹
LCM(80072,80078) = 3206002808