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What is the Least Common Multiple of 78697 and 78717?

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 78697 and 78717 is 6194791749.

LCM(78697,78717) = 6194791749

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Least Common Multiple of 78697 and 78717 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78697 and 78717, than apply into the LCM equation.

GCF(78697,78717) = 1
LCM(78697,78717) = ( 78697 × 78717) / 1
LCM(78697,78717) = 6194791749 / 1
LCM(78697,78717) = 6194791749

Least Common Multiple (LCM) of 78697 and 78717 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78697 and 78717. First we will calculate the prime factors of 78697 and 78717.

Prime Factorization of 78697

Prime factors of 78697 are 78697. Prime factorization of 78697 in exponential form is:

78697 = 786971

Prime Factorization of 78717

Prime factors of 78717 are 3, 19, 1381. Prime factorization of 78717 in exponential form is:

78717 = 31 × 191 × 13811

Now multiplying the highest exponent prime factors to calculate the LCM of 78697 and 78717.

LCM(78697,78717) = 786971 × 31 × 191 × 13811
LCM(78697,78717) = 6194791749