GCF and LCM Calculator Logo

What is the Least Common Multiple of 31374 and 31389?

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 31374 and 31389 is 328266162.

LCM(31374,31389) = 328266162

LCM Calculator and
and

Least Common Multiple of 31374 and 31389 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31374 and 31389, than apply into the LCM equation.

GCF(31374,31389) = 3
LCM(31374,31389) = ( 31374 × 31389) / 3
LCM(31374,31389) = 984798486 / 3
LCM(31374,31389) = 328266162

Least Common Multiple (LCM) of 31374 and 31389 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31374 and 31389. First we will calculate the prime factors of 31374 and 31389.

Prime Factorization of 31374

Prime factors of 31374 are 2, 3, 7, 83. Prime factorization of 31374 in exponential form is:

31374 = 21 × 33 × 71 × 831

Prime Factorization of 31389

Prime factors of 31389 are 3, 10463. Prime factorization of 31389 in exponential form is:

31389 = 31 × 104631

Now multiplying the highest exponent prime factors to calculate the LCM of 31374 and 31389.

LCM(31374,31389) = 21 × 33 × 71 × 831 × 104631
LCM(31374,31389) = 328266162