GCF and LCM Calculator Logo

What is the Least Common Multiple of 38646 and 38664?

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 38646 and 38664 is 83011608.

LCM(38646,38664) = 83011608

LCM Calculator and
and

Least Common Multiple of 38646 and 38664 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38646 and 38664, than apply into the LCM equation.

GCF(38646,38664) = 18
LCM(38646,38664) = ( 38646 × 38664) / 18
LCM(38646,38664) = 1494208944 / 18
LCM(38646,38664) = 83011608

Least Common Multiple (LCM) of 38646 and 38664 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38646 and 38664. First we will calculate the prime factors of 38646 and 38664.

Prime Factorization of 38646

Prime factors of 38646 are 2, 3, 19, 113. Prime factorization of 38646 in exponential form is:

38646 = 21 × 32 × 191 × 1131

Prime Factorization of 38664

Prime factors of 38664 are 2, 3, 179. Prime factorization of 38664 in exponential form is:

38664 = 23 × 33 × 1791

Now multiplying the highest exponent prime factors to calculate the LCM of 38646 and 38664.

LCM(38646,38664) = 23 × 33 × 191 × 1131 × 1791
LCM(38646,38664) = 83011608