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What is the Least Common Multiple of 2121 and 2134?

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 2121 and 2134 is 4526214.

LCM(2121,2134) = 4526214

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Least Common Multiple of 2121 and 2134 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2121 and 2134, than apply into the LCM equation.

GCF(2121,2134) = 1
LCM(2121,2134) = ( 2121 × 2134) / 1
LCM(2121,2134) = 4526214 / 1
LCM(2121,2134) = 4526214

Least Common Multiple (LCM) of 2121 and 2134 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2121 and 2134. First we will calculate the prime factors of 2121 and 2134.

Prime Factorization of 2121

Prime factors of 2121 are 3, 7, 101. Prime factorization of 2121 in exponential form is:

2121 = 31 × 71 × 1011

Prime Factorization of 2134

Prime factors of 2134 are 2, 11, 97. Prime factorization of 2134 in exponential form is:

2134 = 21 × 111 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 2121 and 2134.

LCM(2121,2134) = 31 × 71 × 1011 × 21 × 111 × 971
LCM(2121,2134) = 4526214