GCF and LCM Calculator Logo

What is the Least Common Multiple of 18634 and 18638?

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 18634 and 18638 is 173650246.

LCM(18634,18638) = 173650246

LCM Calculator and
and

Least Common Multiple of 18634 and 18638 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18634 and 18638, than apply into the LCM equation.

GCF(18634,18638) = 2
LCM(18634,18638) = ( 18634 × 18638) / 2
LCM(18634,18638) = 347300492 / 2
LCM(18634,18638) = 173650246

Least Common Multiple (LCM) of 18634 and 18638 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18634 and 18638. First we will calculate the prime factors of 18634 and 18638.

Prime Factorization of 18634

Prime factors of 18634 are 2, 7, 11. Prime factorization of 18634 in exponential form is:

18634 = 21 × 71 × 113

Prime Factorization of 18638

Prime factors of 18638 are 2, 9319. Prime factorization of 18638 in exponential form is:

18638 = 21 × 93191

Now multiplying the highest exponent prime factors to calculate the LCM of 18634 and 18638.

LCM(18634,18638) = 21 × 71 × 113 × 93191
LCM(18634,18638) = 173650246