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What is the Least Common Multiple of 77916 and 77932?

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 77916 and 77932 is 1518037428.

LCM(77916,77932) = 1518037428

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Least Common Multiple of 77916 and 77932 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77916 and 77932, than apply into the LCM equation.

GCF(77916,77932) = 4
LCM(77916,77932) = ( 77916 × 77932) / 4
LCM(77916,77932) = 6072149712 / 4
LCM(77916,77932) = 1518037428

Least Common Multiple (LCM) of 77916 and 77932 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77916 and 77932. First we will calculate the prime factors of 77916 and 77932.

Prime Factorization of 77916

Prime factors of 77916 are 2, 3, 43, 151. Prime factorization of 77916 in exponential form is:

77916 = 22 × 31 × 431 × 1511

Prime Factorization of 77932

Prime factors of 77932 are 2, 19483. Prime factorization of 77932 in exponential form is:

77932 = 22 × 194831

Now multiplying the highest exponent prime factors to calculate the LCM of 77916 and 77932.

LCM(77916,77932) = 22 × 31 × 431 × 1511 × 194831
LCM(77916,77932) = 1518037428