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What is the Least Common Multiple of 67681 and 67696?

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 67681 and 67696 is 4581732976.

LCM(67681,67696) = 4581732976

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Least Common Multiple of 67681 and 67696 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67681 and 67696, than apply into the LCM equation.

GCF(67681,67696) = 1
LCM(67681,67696) = ( 67681 × 67696) / 1
LCM(67681,67696) = 4581732976 / 1
LCM(67681,67696) = 4581732976

Least Common Multiple (LCM) of 67681 and 67696 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67681 and 67696. First we will calculate the prime factors of 67681 and 67696.

Prime Factorization of 67681

Prime factors of 67681 are 53, 1277. Prime factorization of 67681 in exponential form is:

67681 = 531 × 12771

Prime Factorization of 67696

Prime factors of 67696 are 2, 4231. Prime factorization of 67696 in exponential form is:

67696 = 24 × 42311

Now multiplying the highest exponent prime factors to calculate the LCM of 67681 and 67696.

LCM(67681,67696) = 531 × 12771 × 24 × 42311
LCM(67681,67696) = 4581732976