GCF and LCM Calculator Logo

What is the Least Common Multiple of 13871 and 13890?

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 13871 and 13890 is 192668190.

LCM(13871,13890) = 192668190

LCM Calculator and
and

Least Common Multiple of 13871 and 13890 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13871 and 13890, than apply into the LCM equation.

GCF(13871,13890) = 1
LCM(13871,13890) = ( 13871 × 13890) / 1
LCM(13871,13890) = 192668190 / 1
LCM(13871,13890) = 192668190

Least Common Multiple (LCM) of 13871 and 13890 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13871 and 13890. First we will calculate the prime factors of 13871 and 13890.

Prime Factorization of 13871

Prime factors of 13871 are 11, 13, 97. Prime factorization of 13871 in exponential form is:

13871 = 111 × 131 × 971

Prime Factorization of 13890

Prime factors of 13890 are 2, 3, 5, 463. Prime factorization of 13890 in exponential form is:

13890 = 21 × 31 × 51 × 4631

Now multiplying the highest exponent prime factors to calculate the LCM of 13871 and 13890.

LCM(13871,13890) = 111 × 131 × 971 × 21 × 31 × 51 × 4631
LCM(13871,13890) = 192668190