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What is the Least Common Multiple of 51815 and 51822?

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 51815 and 51822 is 2685156930.

LCM(51815,51822) = 2685156930

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Least Common Multiple of 51815 and 51822 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51815 and 51822, than apply into the LCM equation.

GCF(51815,51822) = 1
LCM(51815,51822) = ( 51815 × 51822) / 1
LCM(51815,51822) = 2685156930 / 1
LCM(51815,51822) = 2685156930

Least Common Multiple (LCM) of 51815 and 51822 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51815 and 51822. First we will calculate the prime factors of 51815 and 51822.

Prime Factorization of 51815

Prime factors of 51815 are 5, 43, 241. Prime factorization of 51815 in exponential form is:

51815 = 51 × 431 × 2411

Prime Factorization of 51822

Prime factors of 51822 are 2, 3, 2879. Prime factorization of 51822 in exponential form is:

51822 = 21 × 32 × 28791

Now multiplying the highest exponent prime factors to calculate the LCM of 51815 and 51822.

LCM(51815,51822) = 51 × 431 × 2411 × 21 × 32 × 28791
LCM(51815,51822) = 2685156930