What is the Least Common Multiple of 34215 and 34221?

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 34215 and 34221 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 34215 and 34221, than apply into the LCM equation.

GCF(34215,34221) = 3
LCM(34215,34221) = ( 34215 × 34221) / 3
LCM(34215,34221) = 1170871515 / 3
LCM(34215,34221) = 390290505

Least Common Multiple (LCM) of 34215 and 34221 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 34215 and 34221. First we will calculate the prime factors of 34215 and 34221.

Prime Factorization of 34215

Prime Factorization of 34221

Now multiplying the highest exponent prime factors to calculate the LCM of 34215 and 34221.

LCM(34215,34221) = 3¹ × 5¹ × 2281¹ × 11¹ × 17¹ × 61¹
LCM(34215,34221) = 390290505