GCF and LCM Calculator Logo

What is the Least Common Multiple of 27900 and 27915?

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 27900 and 27915 is 51921900.

LCM(27900,27915) = 51921900

LCM Calculator and
and

Least Common Multiple of 27900 and 27915 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27900 and 27915, than apply into the LCM equation.

GCF(27900,27915) = 15
LCM(27900,27915) = ( 27900 × 27915) / 15
LCM(27900,27915) = 778828500 / 15
LCM(27900,27915) = 51921900

Least Common Multiple (LCM) of 27900 and 27915 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27900 and 27915. First we will calculate the prime factors of 27900 and 27915.

Prime Factorization of 27900

Prime factors of 27900 are 2, 3, 5, 31. Prime factorization of 27900 in exponential form is:

27900 = 22 × 32 × 52 × 311

Prime Factorization of 27915

Prime factors of 27915 are 3, 5, 1861. Prime factorization of 27915 in exponential form is:

27915 = 31 × 51 × 18611

Now multiplying the highest exponent prime factors to calculate the LCM of 27900 and 27915.

LCM(27900,27915) = 22 × 32 × 52 × 311 × 18611
LCM(27900,27915) = 51921900