GCF and LCM Calculator Logo

What is the Least Common Multiple of 10991 and 11008?

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 10991 and 11008 is 120988928.

LCM(10991,11008) = 120988928

LCM Calculator and
and

Least Common Multiple of 10991 and 11008 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10991 and 11008, than apply into the LCM equation.

GCF(10991,11008) = 1
LCM(10991,11008) = ( 10991 × 11008) / 1
LCM(10991,11008) = 120988928 / 1
LCM(10991,11008) = 120988928

Least Common Multiple (LCM) of 10991 and 11008 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10991 and 11008. First we will calculate the prime factors of 10991 and 11008.

Prime Factorization of 10991

Prime factors of 10991 are 29, 379. Prime factorization of 10991 in exponential form is:

10991 = 291 × 3791

Prime Factorization of 11008

Prime factors of 11008 are 2, 43. Prime factorization of 11008 in exponential form is:

11008 = 28 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 10991 and 11008.

LCM(10991,11008) = 291 × 3791 × 28 × 431
LCM(10991,11008) = 120988928