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What is the Least Common Multiple of 51661 and 51681?

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 51661 and 51681 is 2669892141.

LCM(51661,51681) = 2669892141

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Least Common Multiple of 51661 and 51681 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51661 and 51681, than apply into the LCM equation.

GCF(51661,51681) = 1
LCM(51661,51681) = ( 51661 × 51681) / 1
LCM(51661,51681) = 2669892141 / 1
LCM(51661,51681) = 2669892141

Least Common Multiple (LCM) of 51661 and 51681 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51661 and 51681. First we will calculate the prime factors of 51661 and 51681.

Prime Factorization of 51661

Prime factors of 51661 are 19, 2719. Prime factorization of 51661 in exponential form is:

51661 = 191 × 27191

Prime Factorization of 51681

Prime factors of 51681 are 3, 7, 23, 107. Prime factorization of 51681 in exponential form is:

51681 = 31 × 71 × 231 × 1071

Now multiplying the highest exponent prime factors to calculate the LCM of 51661 and 51681.

LCM(51661,51681) = 191 × 27191 × 31 × 71 × 231 × 1071
LCM(51661,51681) = 2669892141