GCF and LCM Calculator Logo

What is the Least Common Multiple of 28988 and 28999?

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 28988 and 28999 is 840623012.

LCM(28988,28999) = 840623012

LCM Calculator and
and

Least Common Multiple of 28988 and 28999 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28988 and 28999, than apply into the LCM equation.

GCF(28988,28999) = 1
LCM(28988,28999) = ( 28988 × 28999) / 1
LCM(28988,28999) = 840623012 / 1
LCM(28988,28999) = 840623012

Least Common Multiple (LCM) of 28988 and 28999 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28988 and 28999. First we will calculate the prime factors of 28988 and 28999.

Prime Factorization of 28988

Prime factors of 28988 are 2, 7247. Prime factorization of 28988 in exponential form is:

28988 = 22 × 72471

Prime Factorization of 28999

Prime factors of 28999 are 47, 617. Prime factorization of 28999 in exponential form is:

28999 = 471 × 6171

Now multiplying the highest exponent prime factors to calculate the LCM of 28988 and 28999.

LCM(28988,28999) = 22 × 72471 × 471 × 6171
LCM(28988,28999) = 840623012