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What is the Least Common Multiple of 79764 and 79779?

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 79764 and 79779 is 2121164052.

LCM(79764,79779) = 2121164052

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Least Common Multiple of 79764 and 79779 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79764 and 79779, than apply into the LCM equation.

GCF(79764,79779) = 3
LCM(79764,79779) = ( 79764 × 79779) / 3
LCM(79764,79779) = 6363492156 / 3
LCM(79764,79779) = 2121164052

Least Common Multiple (LCM) of 79764 and 79779 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79764 and 79779. First we will calculate the prime factors of 79764 and 79779.

Prime Factorization of 79764

Prime factors of 79764 are 2, 3, 17, 23. Prime factorization of 79764 in exponential form is:

79764 = 22 × 31 × 172 × 231

Prime Factorization of 79779

Prime factors of 79779 are 3, 7, 29, 131. Prime factorization of 79779 in exponential form is:

79779 = 31 × 71 × 291 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 79764 and 79779.

LCM(79764,79779) = 22 × 31 × 172 × 231 × 71 × 291 × 1311
LCM(79764,79779) = 2121164052