GCF and LCM Calculator Logo

What is the Least Common Multiple of 26640 and 26658?

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 (LCM) of 26640 and 26658 is 39453840.

LCM(26640,26658) = 39453840

LCM Calculator and
and

Least Common Multiple of 26640 and 26658 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 26640 and 26658, than apply into the LCM equation.

GCF(26640,26658) = 18
LCM(26640,26658) = ( 26640 × 26658) / 18
LCM(26640,26658) = 710169120 / 18
LCM(26640,26658) = 39453840

Least Common Multiple (LCM) of 26640 and 26658 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 26640 and 26658. First we will calculate the prime factors of 26640 and 26658.

Prime Factorization of 26640

Prime factors of 26640 are 2, 3, 5, 37. Prime factorization of 26640 in exponential form is:

26640 = 24 × 32 × 51 × 371

Prime Factorization of 26658

Prime factors of 26658 are 2, 3, 1481. Prime factorization of 26658 in exponential form is:

26658 = 21 × 32 × 14811

Now multiplying the highest exponent prime factors to calculate the LCM of 26640 and 26658.

LCM(26640,26658) = 24 × 32 × 51 × 371 × 14811
LCM(26640,26658) = 39453840