What is the Least Common Multiple of 80980 and 80989?

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 80980 and 80989 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80980 and 80989, than apply into the LCM equation.

GCF(80980,80989) = 1
LCM(80980,80989) = ( 80980 × 80989) / 1
LCM(80980,80989) = 6558489220 / 1
LCM(80980,80989) = 6558489220

Least Common Multiple (LCM) of 80980 and 80989 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80980 and 80989. First we will calculate the prime factors of 80980 and 80989.

Prime Factorization of 80980

Prime Factorization of 80989

Now multiplying the highest exponent prime factors to calculate the LCM of 80980 and 80989.

LCM(80980,80989) = 2² × 5¹ × 4049¹ × 80989¹
LCM(80980,80989) = 6558489220