What is the Least Common Multiple of 64403 and 64408?

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 64403 and 64408 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64403 and 64408, than apply into the LCM equation.

GCF(64403,64408) = 1
LCM(64403,64408) = ( 64403 × 64408) / 1
LCM(64403,64408) = 4148068424 / 1
LCM(64403,64408) = 4148068424

Least Common Multiple (LCM) of 64403 and 64408 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64403 and 64408. First we will calculate the prime factors of 64403 and 64408.

Prime Factorization of 64403

Prime Factorization of 64408

Now multiplying the highest exponent prime factors to calculate the LCM of 64403 and 64408.

LCM(64403,64408) = 64403¹ × 2³ × 83¹ × 97¹
LCM(64403,64408) = 4148068424