GCF and LCM Calculator Logo

What is the Least Common Multiple of 51381 and 51400?

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 51381 and 51400 is 2640983400.

LCM(51381,51400) = 2640983400

LCM Calculator and
and

Least Common Multiple of 51381 and 51400 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51381 and 51400, than apply into the LCM equation.

GCF(51381,51400) = 1
LCM(51381,51400) = ( 51381 × 51400) / 1
LCM(51381,51400) = 2640983400 / 1
LCM(51381,51400) = 2640983400

Least Common Multiple (LCM) of 51381 and 51400 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51381 and 51400. First we will calculate the prime factors of 51381 and 51400.

Prime Factorization of 51381

Prime factors of 51381 are 3, 11, 173. Prime factorization of 51381 in exponential form is:

51381 = 33 × 111 × 1731

Prime Factorization of 51400

Prime factors of 51400 are 2, 5, 257. Prime factorization of 51400 in exponential form is:

51400 = 23 × 52 × 2571

Now multiplying the highest exponent prime factors to calculate the LCM of 51381 and 51400.

LCM(51381,51400) = 33 × 111 × 1731 × 23 × 52 × 2571
LCM(51381,51400) = 2640983400