GCF and LCM Calculator Logo

What is the Least Common Multiple of 13895 and 13915?

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 13895 and 13915 is 38669785.

LCM(13895,13915) = 38669785

LCM Calculator and
and

Least Common Multiple of 13895 and 13915 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13895 and 13915, than apply into the LCM equation.

GCF(13895,13915) = 5
LCM(13895,13915) = ( 13895 × 13915) / 5
LCM(13895,13915) = 193348925 / 5
LCM(13895,13915) = 38669785

Least Common Multiple (LCM) of 13895 and 13915 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13895 and 13915. First we will calculate the prime factors of 13895 and 13915.

Prime Factorization of 13895

Prime factors of 13895 are 5, 7, 397. Prime factorization of 13895 in exponential form is:

13895 = 51 × 71 × 3971

Prime Factorization of 13915

Prime factors of 13915 are 5, 11, 23. Prime factorization of 13915 in exponential form is:

13915 = 51 × 112 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 13895 and 13915.

LCM(13895,13915) = 51 × 71 × 3971 × 112 × 231
LCM(13895,13915) = 38669785