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What is the Least Common Multiple of 76742 and 76746?

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 76742 and 76746 is 2944820766.

LCM(76742,76746) = 2944820766

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Least Common Multiple of 76742 and 76746 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76742 and 76746, than apply into the LCM equation.

GCF(76742,76746) = 2
LCM(76742,76746) = ( 76742 × 76746) / 2
LCM(76742,76746) = 5889641532 / 2
LCM(76742,76746) = 2944820766

Least Common Multiple (LCM) of 76742 and 76746 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76742 and 76746. First we will calculate the prime factors of 76742 and 76746.

Prime Factorization of 76742

Prime factors of 76742 are 2, 38371. Prime factorization of 76742 in exponential form is:

76742 = 21 × 383711

Prime Factorization of 76746

Prime factors of 76746 are 2, 3, 12791. Prime factorization of 76746 in exponential form is:

76746 = 21 × 31 × 127911

Now multiplying the highest exponent prime factors to calculate the LCM of 76742 and 76746.

LCM(76742,76746) = 21 × 383711 × 31 × 127911
LCM(76742,76746) = 2944820766