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What is the Least Common Multiple of 77781 and 77799?

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 77781 and 77799 is 2017094673.

LCM(77781,77799) = 2017094673

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Least Common Multiple of 77781 and 77799 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77781 and 77799, than apply into the LCM equation.

GCF(77781,77799) = 3
LCM(77781,77799) = ( 77781 × 77799) / 3
LCM(77781,77799) = 6051284019 / 3
LCM(77781,77799) = 2017094673

Least Common Multiple (LCM) of 77781 and 77799 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77781 and 77799. First we will calculate the prime factors of 77781 and 77799.

Prime Factorization of 77781

Prime factors of 77781 are 3, 11, 2357. Prime factorization of 77781 in exponential form is:

77781 = 31 × 111 × 23571

Prime Factorization of 77799

Prime factors of 77799 are 3, 25933. Prime factorization of 77799 in exponential form is:

77799 = 31 × 259331

Now multiplying the highest exponent prime factors to calculate the LCM of 77781 and 77799.

LCM(77781,77799) = 31 × 111 × 23571 × 259331
LCM(77781,77799) = 2017094673