What is the Least Common Multiple of 6622 and 6628?

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 6622 and 6628 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6622 and 6628, than apply into the LCM equation.

GCF(6622,6628) = 2
LCM(6622,6628) = ( 6622 × 6628) / 2
LCM(6622,6628) = 43890616 / 2
LCM(6622,6628) = 21945308

Least Common Multiple (LCM) of 6622 and 6628 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6622 and 6628. First we will calculate the prime factors of 6622 and 6628.

Prime Factorization of 6622

Prime Factorization of 6628

Now multiplying the highest exponent prime factors to calculate the LCM of 6622 and 6628.

LCM(6622,6628) = 2² × 7¹ × 11¹ × 43¹ × 1657¹
LCM(6622,6628) = 21945308