What is the Least Common Multiple of 80681 and 80689?

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 80681 and 80689 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80681 and 80689, than apply into the LCM equation.

GCF(80681,80689) = 1
LCM(80681,80689) = ( 80681 × 80689) / 1
LCM(80681,80689) = 6510069209 / 1
LCM(80681,80689) = 6510069209

Least Common Multiple (LCM) of 80681 and 80689 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80681 and 80689. First we will calculate the prime factors of 80681 and 80689.

Prime Factorization of 80681

Prime Factorization of 80689

Now multiplying the highest exponent prime factors to calculate the LCM of 80681 and 80689.

LCM(80681,80689) = 80681¹ × 7¹ × 11527¹
LCM(80681,80689) = 6510069209