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What is the Least Common Multiple of 77968 and 77985?

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 77968 and 77985 is 6080334480.

LCM(77968,77985) = 6080334480

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Least Common Multiple of 77968 and 77985 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77968 and 77985, than apply into the LCM equation.

GCF(77968,77985) = 1
LCM(77968,77985) = ( 77968 × 77985) / 1
LCM(77968,77985) = 6080334480 / 1
LCM(77968,77985) = 6080334480

Least Common Multiple (LCM) of 77968 and 77985 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77968 and 77985. First we will calculate the prime factors of 77968 and 77985.

Prime Factorization of 77968

Prime factors of 77968 are 2, 11, 443. Prime factorization of 77968 in exponential form is:

77968 = 24 × 111 × 4431

Prime Factorization of 77985

Prime factors of 77985 are 3, 5, 1733. Prime factorization of 77985 in exponential form is:

77985 = 32 × 51 × 17331

Now multiplying the highest exponent prime factors to calculate the LCM of 77968 and 77985.

LCM(77968,77985) = 24 × 111 × 4431 × 32 × 51 × 17331
LCM(77968,77985) = 6080334480