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What is the Least Common Multiple of 10989 and 11003?

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 10989 and 11003 is 120911967.

LCM(10989,11003) = 120911967

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Least Common Multiple of 10989 and 11003 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10989 and 11003, than apply into the LCM equation.

GCF(10989,11003) = 1
LCM(10989,11003) = ( 10989 × 11003) / 1
LCM(10989,11003) = 120911967 / 1
LCM(10989,11003) = 120911967

Least Common Multiple (LCM) of 10989 and 11003 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10989 and 11003. First we will calculate the prime factors of 10989 and 11003.

Prime Factorization of 10989

Prime factors of 10989 are 3, 11, 37. Prime factorization of 10989 in exponential form is:

10989 = 33 × 111 × 371

Prime Factorization of 11003

Prime factors of 11003 are 11003. Prime factorization of 11003 in exponential form is:

11003 = 110031

Now multiplying the highest exponent prime factors to calculate the LCM of 10989 and 11003.

LCM(10989,11003) = 33 × 111 × 371 × 110031
LCM(10989,11003) = 120911967