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What is the Least Common Multiple of 10380 and 10392?

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 10380 and 10392 is 8989080.

LCM(10380,10392) = 8989080

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Least Common Multiple of 10380 and 10392 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10380 and 10392, than apply into the LCM equation.

GCF(10380,10392) = 12
LCM(10380,10392) = ( 10380 × 10392) / 12
LCM(10380,10392) = 107868960 / 12
LCM(10380,10392) = 8989080

Least Common Multiple (LCM) of 10380 and 10392 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10380 and 10392. First we will calculate the prime factors of 10380 and 10392.

Prime Factorization of 10380

Prime factors of 10380 are 2, 3, 5, 173. Prime factorization of 10380 in exponential form is:

10380 = 22 × 31 × 51 × 1731

Prime Factorization of 10392

Prime factors of 10392 are 2, 3, 433. Prime factorization of 10392 in exponential form is:

10392 = 23 × 31 × 4331

Now multiplying the highest exponent prime factors to calculate the LCM of 10380 and 10392.

LCM(10380,10392) = 23 × 31 × 51 × 1731 × 4331
LCM(10380,10392) = 8989080