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What is the Least Common Multiple of 77654 and 77658?

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 77654 and 77658 is 3015227166.

LCM(77654,77658) = 3015227166

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Least Common Multiple of 77654 and 77658 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77654 and 77658, than apply into the LCM equation.

GCF(77654,77658) = 2
LCM(77654,77658) = ( 77654 × 77658) / 2
LCM(77654,77658) = 6030454332 / 2
LCM(77654,77658) = 3015227166

Least Common Multiple (LCM) of 77654 and 77658 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77654 and 77658. First we will calculate the prime factors of 77654 and 77658.

Prime Factorization of 77654

Prime factors of 77654 are 2, 41, 947. Prime factorization of 77654 in exponential form is:

77654 = 21 × 411 × 9471

Prime Factorization of 77658

Prime factors of 77658 are 2, 3, 7, 43. Prime factorization of 77658 in exponential form is:

77658 = 21 × 31 × 71 × 432

Now multiplying the highest exponent prime factors to calculate the LCM of 77654 and 77658.

LCM(77654,77658) = 21 × 411 × 9471 × 31 × 71 × 432
LCM(77654,77658) = 3015227166