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What is the Least Common Multiple of 76685 and 76704?

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 76685 and 76704 is 5882046240.

LCM(76685,76704) = 5882046240

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Least Common Multiple of 76685 and 76704 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76685 and 76704, than apply into the LCM equation.

GCF(76685,76704) = 1
LCM(76685,76704) = ( 76685 × 76704) / 1
LCM(76685,76704) = 5882046240 / 1
LCM(76685,76704) = 5882046240

Least Common Multiple (LCM) of 76685 and 76704 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76685 and 76704. First we will calculate the prime factors of 76685 and 76704.

Prime Factorization of 76685

Prime factors of 76685 are 5, 7, 313. Prime factorization of 76685 in exponential form is:

76685 = 51 × 72 × 3131

Prime Factorization of 76704

Prime factors of 76704 are 2, 3, 17, 47. Prime factorization of 76704 in exponential form is:

76704 = 25 × 31 × 171 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 76685 and 76704.

LCM(76685,76704) = 51 × 72 × 3131 × 25 × 31 × 171 × 471
LCM(76685,76704) = 5882046240