What is the Least Common Multiple of 64005 and 64019?

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 64005 and 64019 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64005 and 64019, than apply into the LCM equation.

GCF(64005,64019) = 1
LCM(64005,64019) = ( 64005 × 64019) / 1
LCM(64005,64019) = 4097536095 / 1
LCM(64005,64019) = 4097536095

Least Common Multiple (LCM) of 64005 and 64019 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64005 and 64019. First we will calculate the prime factors of 64005 and 64019.

Prime Factorization of 64005

Prime Factorization of 64019

Now multiplying the highest exponent prime factors to calculate the LCM of 64005 and 64019.

LCM(64005,64019) = 3¹ × 5¹ × 17¹ × 251¹ × 64019¹
LCM(64005,64019) = 4097536095