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What is the Least Common Multiple of 77646 and 77657?

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 77646 and 77657 is 6029755422.

LCM(77646,77657) = 6029755422

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Least Common Multiple of 77646 and 77657 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77646 and 77657, than apply into the LCM equation.

GCF(77646,77657) = 1
LCM(77646,77657) = ( 77646 × 77657) / 1
LCM(77646,77657) = 6029755422 / 1
LCM(77646,77657) = 6029755422

Least Common Multiple (LCM) of 77646 and 77657 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77646 and 77657. First we will calculate the prime factors of 77646 and 77657.

Prime Factorization of 77646

Prime factors of 77646 are 2, 3, 12941. Prime factorization of 77646 in exponential form is:

77646 = 21 × 31 × 129411

Prime Factorization of 77657

Prime factors of 77657 are 79, 983. Prime factorization of 77657 in exponential form is:

77657 = 791 × 9831

Now multiplying the highest exponent prime factors to calculate the LCM of 77646 and 77657.

LCM(77646,77657) = 21 × 31 × 129411 × 791 × 9831
LCM(77646,77657) = 6029755422