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What is the Least Common Multiple of 51778 and 51782?

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 51778 and 51782 is 1340584198.

LCM(51778,51782) = 1340584198

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Least Common Multiple of 51778 and 51782 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51778 and 51782, than apply into the LCM equation.

GCF(51778,51782) = 2
LCM(51778,51782) = ( 51778 × 51782) / 2
LCM(51778,51782) = 2681168396 / 2
LCM(51778,51782) = 1340584198

Least Common Multiple (LCM) of 51778 and 51782 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51778 and 51782. First we will calculate the prime factors of 51778 and 51782.

Prime Factorization of 51778

Prime factors of 51778 are 2, 25889. Prime factorization of 51778 in exponential form is:

51778 = 21 × 258891

Prime Factorization of 51782

Prime factors of 51782 are 2, 17, 1523. Prime factorization of 51782 in exponential form is:

51782 = 21 × 171 × 15231

Now multiplying the highest exponent prime factors to calculate the LCM of 51778 and 51782.

LCM(51778,51782) = 21 × 258891 × 171 × 15231
LCM(51778,51782) = 1340584198