What is the Least Common Multiple of 26620 and 26640?

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 26620 and 26640 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 26620 and 26640, than apply into the LCM equation.

GCF(26620,26640) = 20
LCM(26620,26640) = ( 26620 × 26640) / 20
LCM(26620,26640) = 709156800 / 20
LCM(26620,26640) = 35457840

Least Common Multiple (LCM) of 26620 and 26640 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 26620 and 26640. First we will calculate the prime factors of 26620 and 26640.

Prime Factorization of 26620

Prime Factorization of 26640

Now multiplying the highest exponent prime factors to calculate the LCM of 26620 and 26640.

LCM(26620,26640) = 2⁴ × 5¹ × 11³ × 3² × 37¹
LCM(26620,26640) = 35457840