What is the Least Common Multiple of 64604 and 64609?

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 64604 and 64609 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64604 and 64609, than apply into the LCM equation.

GCF(64604,64609) = 1
LCM(64604,64609) = ( 64604 × 64609) / 1
LCM(64604,64609) = 4173999836 / 1
LCM(64604,64609) = 4173999836

Least Common Multiple (LCM) of 64604 and 64609 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64604 and 64609. First we will calculate the prime factors of 64604 and 64609.

Prime Factorization of 64604

Prime Factorization of 64609

Now multiplying the highest exponent prime factors to calculate the LCM of 64604 and 64609.

LCM(64604,64609) = 2² × 31¹ × 521¹ × 64609¹
LCM(64604,64609) = 4173999836