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What is the Least Common Multiple of 2120 and 2137?

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 2120 and 2137 is 4530440.

LCM(2120,2137) = 4530440

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Least Common Multiple of 2120 and 2137 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2120 and 2137, than apply into the LCM equation.

GCF(2120,2137) = 1
LCM(2120,2137) = ( 2120 × 2137) / 1
LCM(2120,2137) = 4530440 / 1
LCM(2120,2137) = 4530440

Least Common Multiple (LCM) of 2120 and 2137 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2120 and 2137. First we will calculate the prime factors of 2120 and 2137.

Prime Factorization of 2120

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

2120 = 23 × 51 × 531

Prime Factorization of 2137

Prime factors of 2137 are 2137. Prime factorization of 2137 in exponential form is:

2137 = 21371

Now multiplying the highest exponent prime factors to calculate the LCM of 2120 and 2137.

LCM(2120,2137) = 23 × 51 × 531 × 21371
LCM(2120,2137) = 4530440