What is the Least Common Multiple of 66681 and 66691?

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 66681 and 66691 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66681 and 66691, than apply into the LCM equation.

GCF(66681,66691) = 1
LCM(66681,66691) = ( 66681 × 66691) / 1
LCM(66681,66691) = 4447022571 / 1
LCM(66681,66691) = 4447022571

Least Common Multiple (LCM) of 66681 and 66691 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66681 and 66691. First we will calculate the prime factors of 66681 and 66691.

Prime Factorization of 66681

Prime Factorization of 66691

Now multiplying the highest exponent prime factors to calculate the LCM of 66681 and 66691.

LCM(66681,66691) = 3² × 31¹ × 239¹ × 17¹ × 3923¹
LCM(66681,66691) = 4447022571