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What is the Least Common Multiple of 2111 and 2120?

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 2111 and 2120 is 4475320.

LCM(2111,2120) = 4475320

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Least Common Multiple of 2111 and 2120 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2111 and 2120, than apply into the LCM equation.

GCF(2111,2120) = 1
LCM(2111,2120) = ( 2111 × 2120) / 1
LCM(2111,2120) = 4475320 / 1
LCM(2111,2120) = 4475320

Least Common Multiple (LCM) of 2111 and 2120 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2111 and 2120. First we will calculate the prime factors of 2111 and 2120.

Prime Factorization of 2111

Prime factors of 2111 are 2111. Prime factorization of 2111 in exponential form is:

2111 = 21111

Prime Factorization of 2120

Prime factors of 2120 are 2, 5, 53. Prime factorization of 2120 in exponential form is:

2120 = 23 × 51 × 531

Now multiplying the highest exponent prime factors to calculate the LCM of 2111 and 2120.

LCM(2111,2120) = 21111 × 23 × 51 × 531
LCM(2111,2120) = 4475320