What is the Least Common Multiple of 57605 and 57620?

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 57605 and 57620 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57605 and 57620, than apply into the LCM equation.

GCF(57605,57620) = 5
LCM(57605,57620) = ( 57605 × 57620) / 5
LCM(57605,57620) = 3319200100 / 5
LCM(57605,57620) = 663840020

Least Common Multiple (LCM) of 57605 and 57620 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57605 and 57620. First we will calculate the prime factors of 57605 and 57620.

Prime Factorization of 57605

Prime Factorization of 57620

Now multiplying the highest exponent prime factors to calculate the LCM of 57605 and 57620.

LCM(57605,57620) = 5¹ × 41¹ × 281¹ × 2² × 43¹ × 67¹
LCM(57605,57620) = 663840020