What is the Least Common Multiple of 80989 and 81007?

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 80989 and 81007 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80989 and 81007, than apply into the LCM equation.

GCF(80989,81007) = 1
LCM(80989,81007) = ( 80989 × 81007) / 1
LCM(80989,81007) = 6560675923 / 1
LCM(80989,81007) = 6560675923

Least Common Multiple (LCM) of 80989 and 81007 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80989 and 81007. First we will calculate the prime factors of 80989 and 81007.

Prime Factorization of 80989

Prime Factorization of 81007

Now multiplying the highest exponent prime factors to calculate the LCM of 80989 and 81007.

LCM(80989,81007) = 80989¹ × 59¹ × 1373¹
LCM(80989,81007) = 6560675923