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What is the Least Common Multiple of 51918 and 51931?

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 51918 and 51931 is 2696153658.

LCM(51918,51931) = 2696153658

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Least Common Multiple of 51918 and 51931 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51918 and 51931, than apply into the LCM equation.

GCF(51918,51931) = 1
LCM(51918,51931) = ( 51918 × 51931) / 1
LCM(51918,51931) = 2696153658 / 1
LCM(51918,51931) = 2696153658

Least Common Multiple (LCM) of 51918 and 51931 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51918 and 51931. First we will calculate the prime factors of 51918 and 51931.

Prime Factorization of 51918

Prime factors of 51918 are 2, 3, 17, 509. Prime factorization of 51918 in exponential form is:

51918 = 21 × 31 × 171 × 5091

Prime Factorization of 51931

Prime factors of 51931 are 11, 4721. Prime factorization of 51931 in exponential form is:

51931 = 111 × 47211

Now multiplying the highest exponent prime factors to calculate the LCM of 51918 and 51931.

LCM(51918,51931) = 21 × 31 × 171 × 5091 × 111 × 47211
LCM(51918,51931) = 2696153658