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What is the Least Common Multiple of 77845 and 77850?

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 77845 and 77850 is 1212046650.

LCM(77845,77850) = 1212046650

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Least Common Multiple of 77845 and 77850 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77845 and 77850, than apply into the LCM equation.

GCF(77845,77850) = 5
LCM(77845,77850) = ( 77845 × 77850) / 5
LCM(77845,77850) = 6060233250 / 5
LCM(77845,77850) = 1212046650

Least Common Multiple (LCM) of 77845 and 77850 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77845 and 77850. First we will calculate the prime factors of 77845 and 77850.

Prime Factorization of 77845

Prime factors of 77845 are 5, 15569. Prime factorization of 77845 in exponential form is:

77845 = 51 × 155691

Prime Factorization of 77850

Prime factors of 77850 are 2, 3, 5, 173. Prime factorization of 77850 in exponential form is:

77850 = 21 × 32 × 52 × 1731

Now multiplying the highest exponent prime factors to calculate the LCM of 77845 and 77850.

LCM(77845,77850) = 52 × 155691 × 21 × 32 × 1731
LCM(77845,77850) = 1212046650