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What is the Least Common Multiple of 2146 and 2151?

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 2146 and 2151 is 4616046.

LCM(2146,2151) = 4616046

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Least Common Multiple of 2146 and 2151 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2146 and 2151, than apply into the LCM equation.

GCF(2146,2151) = 1
LCM(2146,2151) = ( 2146 × 2151) / 1
LCM(2146,2151) = 4616046 / 1
LCM(2146,2151) = 4616046

Least Common Multiple (LCM) of 2146 and 2151 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2146 and 2151. First we will calculate the prime factors of 2146 and 2151.

Prime Factorization of 2146

Prime factors of 2146 are 2, 29, 37. Prime factorization of 2146 in exponential form is:

2146 = 21 × 291 × 371

Prime Factorization of 2151

Prime factors of 2151 are 3, 239. Prime factorization of 2151 in exponential form is:

2151 = 32 × 2391

Now multiplying the highest exponent prime factors to calculate the LCM of 2146 and 2151.

LCM(2146,2151) = 21 × 291 × 371 × 32 × 2391
LCM(2146,2151) = 4616046