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What is the Least Common Multiple of 77798 and 77815?

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 77798 and 77815 is 6053851370.

LCM(77798,77815) = 6053851370

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Least Common Multiple of 77798 and 77815 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77798 and 77815, than apply into the LCM equation.

GCF(77798,77815) = 1
LCM(77798,77815) = ( 77798 × 77815) / 1
LCM(77798,77815) = 6053851370 / 1
LCM(77798,77815) = 6053851370

Least Common Multiple (LCM) of 77798 and 77815 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77798 and 77815. First we will calculate the prime factors of 77798 and 77815.

Prime Factorization of 77798

Prime factors of 77798 are 2, 7, 5557. Prime factorization of 77798 in exponential form is:

77798 = 21 × 71 × 55571

Prime Factorization of 77815

Prime factors of 77815 are 5, 79, 197. Prime factorization of 77815 in exponential form is:

77815 = 51 × 791 × 1971

Now multiplying the highest exponent prime factors to calculate the LCM of 77798 and 77815.

LCM(77798,77815) = 21 × 71 × 55571 × 51 × 791 × 1971
LCM(77798,77815) = 6053851370