GCF and LCM Calculator Logo

What is the Least Common Multiple of 31896 and 31909?

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 31896 and 31909 is 1017769464.

LCM(31896,31909) = 1017769464

LCM Calculator and
and

Least Common Multiple of 31896 and 31909 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31896 and 31909, than apply into the LCM equation.

GCF(31896,31909) = 1
LCM(31896,31909) = ( 31896 × 31909) / 1
LCM(31896,31909) = 1017769464 / 1
LCM(31896,31909) = 1017769464

Least Common Multiple (LCM) of 31896 and 31909 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31896 and 31909. First we will calculate the prime factors of 31896 and 31909.

Prime Factorization of 31896

Prime factors of 31896 are 2, 3, 443. Prime factorization of 31896 in exponential form is:

31896 = 23 × 32 × 4431

Prime Factorization of 31909

Prime factors of 31909 are 17, 1877. Prime factorization of 31909 in exponential form is:

31909 = 171 × 18771

Now multiplying the highest exponent prime factors to calculate the LCM of 31896 and 31909.

LCM(31896,31909) = 23 × 32 × 4431 × 171 × 18771
LCM(31896,31909) = 1017769464