GCF and LCM Calculator Logo

What is the Least Common Multiple of 38678 and 38691?

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 38678 and 38691 is 1496490498.

LCM(38678,38691) = 1496490498

LCM Calculator and
and

Least Common Multiple of 38678 and 38691 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38678 and 38691, than apply into the LCM equation.

GCF(38678,38691) = 1
LCM(38678,38691) = ( 38678 × 38691) / 1
LCM(38678,38691) = 1496490498 / 1
LCM(38678,38691) = 1496490498

Least Common Multiple (LCM) of 38678 and 38691 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38678 and 38691. First we will calculate the prime factors of 38678 and 38691.

Prime Factorization of 38678

Prime factors of 38678 are 2, 83, 233. Prime factorization of 38678 in exponential form is:

38678 = 21 × 831 × 2331

Prime Factorization of 38691

Prime factors of 38691 are 3, 1433. Prime factorization of 38691 in exponential form is:

38691 = 33 × 14331

Now multiplying the highest exponent prime factors to calculate the LCM of 38678 and 38691.

LCM(38678,38691) = 21 × 831 × 2331 × 33 × 14331
LCM(38678,38691) = 1496490498