What is the Least Common Multiple of 64671 and 64681?

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 64671 and 64681 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64671 and 64681, than apply into the LCM equation.

GCF(64671,64681) = 1
LCM(64671,64681) = ( 64671 × 64681) / 1
LCM(64671,64681) = 4182984951 / 1
LCM(64671,64681) = 4182984951

Least Common Multiple (LCM) of 64671 and 64681 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64671 and 64681. First we will calculate the prime factors of 64671 and 64681.

Prime Factorization of 64671

Prime Factorization of 64681

Now multiplying the highest exponent prime factors to calculate the LCM of 64671 and 64681.

LCM(64671,64681) = 3¹ × 21557¹ × 71¹ × 911¹
LCM(64671,64681) = 4182984951