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What is the Least Common Multiple of 2103 and 2112?

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 2103 and 2112 is 1480512.

LCM(2103,2112) = 1480512

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Least Common Multiple of 2103 and 2112 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2103 and 2112, than apply into the LCM equation.

GCF(2103,2112) = 3
LCM(2103,2112) = ( 2103 × 2112) / 3
LCM(2103,2112) = 4441536 / 3
LCM(2103,2112) = 1480512

Least Common Multiple (LCM) of 2103 and 2112 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2103 and 2112. First we will calculate the prime factors of 2103 and 2112.

Prime Factorization of 2103

Prime factors of 2103 are 3, 701. Prime factorization of 2103 in exponential form is:

2103 = 31 × 7011

Prime Factorization of 2112

Prime factors of 2112 are 2, 3, 11. Prime factorization of 2112 in exponential form is:

2112 = 26 × 31 × 111

Now multiplying the highest exponent prime factors to calculate the LCM of 2103 and 2112.

LCM(2103,2112) = 31 × 7011 × 26 × 111
LCM(2103,2112) = 1480512