What is the Least Common Multiple of 56605 and 56615?

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 56605 and 56615 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56605 and 56615, than apply into the LCM equation.

GCF(56605,56615) = 5
LCM(56605,56615) = ( 56605 × 56615) / 5
LCM(56605,56615) = 3204692075 / 5
LCM(56605,56615) = 640938415

Least Common Multiple (LCM) of 56605 and 56615 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56605 and 56615. First we will calculate the prime factors of 56605 and 56615.

Prime Factorization of 56605

Prime Factorization of 56615

Now multiplying the highest exponent prime factors to calculate the LCM of 56605 and 56615.

LCM(56605,56615) = 5¹ × 11321¹ × 13² × 67¹
LCM(56605,56615) = 640938415