What is the Least Common Multiple of 6220 and 6224?

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 6220 and 6224 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6220 and 6224, than apply into the LCM equation.

GCF(6220,6224) = 4
LCM(6220,6224) = ( 6220 × 6224) / 4
LCM(6220,6224) = 38713280 / 4
LCM(6220,6224) = 9678320

Least Common Multiple (LCM) of 6220 and 6224 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6220 and 6224. First we will calculate the prime factors of 6220 and 6224.

Prime Factorization of 6220

Prime Factorization of 6224

Now multiplying the highest exponent prime factors to calculate the LCM of 6220 and 6224.

LCM(6220,6224) = 2⁴ × 5¹ × 311¹ × 389¹
LCM(6220,6224) = 9678320