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What is the Least Common Multiple of 77738 and 77746?

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 77738 and 77746 is 3021909274.

LCM(77738,77746) = 3021909274

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Least Common Multiple of 77738 and 77746 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77738 and 77746, than apply into the LCM equation.

GCF(77738,77746) = 2
LCM(77738,77746) = ( 77738 × 77746) / 2
LCM(77738,77746) = 6043818548 / 2
LCM(77738,77746) = 3021909274

Least Common Multiple (LCM) of 77738 and 77746 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77738 and 77746. First we will calculate the prime factors of 77738 and 77746.

Prime Factorization of 77738

Prime factors of 77738 are 2, 47, 827. Prime factorization of 77738 in exponential form is:

77738 = 21 × 471 × 8271

Prime Factorization of 77746

Prime factors of 77746 are 2, 38873. Prime factorization of 77746 in exponential form is:

77746 = 21 × 388731

Now multiplying the highest exponent prime factors to calculate the LCM of 77738 and 77746.

LCM(77738,77746) = 21 × 471 × 8271 × 388731
LCM(77738,77746) = 3021909274