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What is the Least Common Multiple of 2116 and 2131?

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 2116 and 2131 is 4509196.

LCM(2116,2131) = 4509196

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Least Common Multiple of 2116 and 2131 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2116 and 2131, than apply into the LCM equation.

GCF(2116,2131) = 1
LCM(2116,2131) = ( 2116 × 2131) / 1
LCM(2116,2131) = 4509196 / 1
LCM(2116,2131) = 4509196

Least Common Multiple (LCM) of 2116 and 2131 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2116 and 2131. First we will calculate the prime factors of 2116 and 2131.

Prime Factorization of 2116

Prime factors of 2116 are 2, 23. Prime factorization of 2116 in exponential form is:

2116 = 22 × 232

Prime Factorization of 2131

Prime factors of 2131 are 2131. Prime factorization of 2131 in exponential form is:

2131 = 21311

Now multiplying the highest exponent prime factors to calculate the LCM of 2116 and 2131.

LCM(2116,2131) = 22 × 232 × 21311
LCM(2116,2131) = 4509196