What is the Least Common Multiple of 64436 and 64454?

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 64436 and 64454 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64436 and 64454, than apply into the LCM equation.

GCF(64436,64454) = 2
LCM(64436,64454) = ( 64436 × 64454) / 2
LCM(64436,64454) = 4153157944 / 2
LCM(64436,64454) = 2076578972

Least Common Multiple (LCM) of 64436 and 64454 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64436 and 64454. First we will calculate the prime factors of 64436 and 64454.

Prime Factorization of 64436

Prime Factorization of 64454

Now multiplying the highest exponent prime factors to calculate the LCM of 64436 and 64454.

LCM(64436,64454) = 2² × 89¹ × 181¹ × 13¹ × 37¹ × 67¹
LCM(64436,64454) = 2076578972