GCF and LCM Calculator Logo

What is the Least Common Multiple of 19676 and 19691?

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 19676 and 19691 is 387440116.

LCM(19676,19691) = 387440116

LCM Calculator and
and

Least Common Multiple of 19676 and 19691 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19676 and 19691, than apply into the LCM equation.

GCF(19676,19691) = 1
LCM(19676,19691) = ( 19676 × 19691) / 1
LCM(19676,19691) = 387440116 / 1
LCM(19676,19691) = 387440116

Least Common Multiple (LCM) of 19676 and 19691 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19676 and 19691. First we will calculate the prime factors of 19676 and 19691.

Prime Factorization of 19676

Prime factors of 19676 are 2, 4919. Prime factorization of 19676 in exponential form is:

19676 = 22 × 49191

Prime Factorization of 19691

Prime factors of 19691 are 7, 29, 97. Prime factorization of 19691 in exponential form is:

19691 = 71 × 291 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 19676 and 19691.

LCM(19676,19691) = 22 × 49191 × 71 × 291 × 971
LCM(19676,19691) = 387440116