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What is the Least Common Multiple of 51780 and 51787?

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 51780 and 51787 is 2681530860.

LCM(51780,51787) = 2681530860

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Least Common Multiple of 51780 and 51787 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51780 and 51787, than apply into the LCM equation.

GCF(51780,51787) = 1
LCM(51780,51787) = ( 51780 × 51787) / 1
LCM(51780,51787) = 2681530860 / 1
LCM(51780,51787) = 2681530860

Least Common Multiple (LCM) of 51780 and 51787 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51780 and 51787. First we will calculate the prime factors of 51780 and 51787.

Prime Factorization of 51780

Prime factors of 51780 are 2, 3, 5, 863. Prime factorization of 51780 in exponential form is:

51780 = 22 × 31 × 51 × 8631

Prime Factorization of 51787

Prime factors of 51787 are 51787. Prime factorization of 51787 in exponential form is:

51787 = 517871

Now multiplying the highest exponent prime factors to calculate the LCM of 51780 and 51787.

LCM(51780,51787) = 22 × 31 × 51 × 8631 × 517871
LCM(51780,51787) = 2681530860