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What is the Least Common Multiple of 78381 and 78392?

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 78381 and 78392 is 6144443352.

LCM(78381,78392) = 6144443352

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Least Common Multiple of 78381 and 78392 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78381 and 78392, than apply into the LCM equation.

GCF(78381,78392) = 1
LCM(78381,78392) = ( 78381 × 78392) / 1
LCM(78381,78392) = 6144443352 / 1
LCM(78381,78392) = 6144443352

Least Common Multiple (LCM) of 78381 and 78392 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78381 and 78392. First we will calculate the prime factors of 78381 and 78392.

Prime Factorization of 78381

Prime factors of 78381 are 3, 2903. Prime factorization of 78381 in exponential form is:

78381 = 33 × 29031

Prime Factorization of 78392

Prime factors of 78392 are 2, 41, 239. Prime factorization of 78392 in exponential form is:

78392 = 23 × 411 × 2391

Now multiplying the highest exponent prime factors to calculate the LCM of 78381 and 78392.

LCM(78381,78392) = 33 × 29031 × 23 × 411 × 2391
LCM(78381,78392) = 6144443352