What is the Least Common Multiple of 57209 and 57215?

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 57209 and 57215 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57209 and 57215, than apply into the LCM equation.

GCF(57209,57215) = 1
LCM(57209,57215) = ( 57209 × 57215) / 1
LCM(57209,57215) = 3273212935 / 1
LCM(57209,57215) = 3273212935

Least Common Multiple (LCM) of 57209 and 57215 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57209 and 57215. First we will calculate the prime factors of 57209 and 57215.

Prime Factorization of 57209

Prime Factorization of 57215

Now multiplying the highest exponent prime factors to calculate the LCM of 57209 and 57215.

LCM(57209,57215) = 19¹ × 3011¹ × 5¹ × 11443¹
LCM(57209,57215) = 3273212935