What is the Least Common Multiple of 64691 and 64705?

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 64691 and 64705 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64691 and 64705, than apply into the LCM equation.

GCF(64691,64705) = 1
LCM(64691,64705) = ( 64691 × 64705) / 1
LCM(64691,64705) = 4185831155 / 1
LCM(64691,64705) = 4185831155

Least Common Multiple (LCM) of 64691 and 64705 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64691 and 64705. First we will calculate the prime factors of 64691 and 64705.

Prime Factorization of 64691

Prime Factorization of 64705

Now multiplying the highest exponent prime factors to calculate the LCM of 64691 and 64705.

LCM(64691,64705) = 11¹ × 5881¹ × 5¹ × 12941¹
LCM(64691,64705) = 4185831155