GCF and LCM Calculator Logo

What is the Least Common Multiple of 28631 and 28645?

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 28631 and 28645 is 820134995.

LCM(28631,28645) = 820134995

LCM Calculator and
and

Least Common Multiple of 28631 and 28645 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28631 and 28645, than apply into the LCM equation.

GCF(28631,28645) = 1
LCM(28631,28645) = ( 28631 × 28645) / 1
LCM(28631,28645) = 820134995 / 1
LCM(28631,28645) = 820134995

Least Common Multiple (LCM) of 28631 and 28645 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28631 and 28645. First we will calculate the prime factors of 28631 and 28645.

Prime Factorization of 28631

Prime factors of 28631 are 28631. Prime factorization of 28631 in exponential form is:

28631 = 286311

Prime Factorization of 28645

Prime factors of 28645 are 5, 17, 337. Prime factorization of 28645 in exponential form is:

28645 = 51 × 171 × 3371

Now multiplying the highest exponent prime factors to calculate the LCM of 28631 and 28645.

LCM(28631,28645) = 286311 × 51 × 171 × 3371
LCM(28631,28645) = 820134995