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What is the Least Common Multiple of 78342 and 78348?

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 78342 and 78348 is 1022989836.

LCM(78342,78348) = 1022989836

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Least Common Multiple of 78342 and 78348 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78342 and 78348, than apply into the LCM equation.

GCF(78342,78348) = 6
LCM(78342,78348) = ( 78342 × 78348) / 6
LCM(78342,78348) = 6137939016 / 6
LCM(78342,78348) = 1022989836

Least Common Multiple (LCM) of 78342 and 78348 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78342 and 78348. First we will calculate the prime factors of 78342 and 78348.

Prime Factorization of 78342

Prime factors of 78342 are 2, 3, 11, 1187. Prime factorization of 78342 in exponential form is:

78342 = 21 × 31 × 111 × 11871

Prime Factorization of 78348

Prime factors of 78348 are 2, 3, 6529. Prime factorization of 78348 in exponential form is:

78348 = 22 × 31 × 65291

Now multiplying the highest exponent prime factors to calculate the LCM of 78342 and 78348.

LCM(78342,78348) = 22 × 31 × 111 × 11871 × 65291
LCM(78342,78348) = 1022989836