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What is the Least Common Multiple of 77643 and 77655?

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 77643 and 77655 is 2009789055.

LCM(77643,77655) = 2009789055

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Least Common Multiple of 77643 and 77655 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77643 and 77655, than apply into the LCM equation.

GCF(77643,77655) = 3
LCM(77643,77655) = ( 77643 × 77655) / 3
LCM(77643,77655) = 6029367165 / 3
LCM(77643,77655) = 2009789055

Least Common Multiple (LCM) of 77643 and 77655 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77643 and 77655. First we will calculate the prime factors of 77643 and 77655.

Prime Factorization of 77643

Prime factors of 77643 are 3, 8627. Prime factorization of 77643 in exponential form is:

77643 = 32 × 86271

Prime Factorization of 77655

Prime factors of 77655 are 3, 5, 31, 167. Prime factorization of 77655 in exponential form is:

77655 = 31 × 51 × 311 × 1671

Now multiplying the highest exponent prime factors to calculate the LCM of 77643 and 77655.

LCM(77643,77655) = 32 × 86271 × 51 × 311 × 1671
LCM(77643,77655) = 2009789055