What is the Least Common Multiple of 6215 and 6220?

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 6215 and 6220 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6215 and 6220, than apply into the LCM equation.

GCF(6215,6220) = 5
LCM(6215,6220) = ( 6215 × 6220) / 5
LCM(6215,6220) = 38657300 / 5
LCM(6215,6220) = 7731460

Least Common Multiple (LCM) of 6215 and 6220 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6215 and 6220. First we will calculate the prime factors of 6215 and 6220.

Prime Factorization of 6215

Prime Factorization of 6220

Now multiplying the highest exponent prime factors to calculate the LCM of 6215 and 6220.

LCM(6215,6220) = 5¹ × 11¹ × 113¹ × 2² × 311¹
LCM(6215,6220) = 7731460