What is the Least Common Multiple of 80008 and 80021?

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 80008 and 80021 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80008 and 80021, than apply into the LCM equation.

GCF(80008,80021) = 1
LCM(80008,80021) = ( 80008 × 80021) / 1
LCM(80008,80021) = 6402320168 / 1
LCM(80008,80021) = 6402320168

Least Common Multiple (LCM) of 80008 and 80021 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80008 and 80021. First we will calculate the prime factors of 80008 and 80021.

Prime Factorization of 80008

Prime Factorization of 80021

Now multiplying the highest exponent prime factors to calculate the LCM of 80008 and 80021.

LCM(80008,80021) = 2³ × 73¹ × 137¹ × 80021¹
LCM(80008,80021) = 6402320168