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What is the Least Common Multiple of 78342 and 78347?

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 78347 is 6137860674.

LCM(78342,78347) = 6137860674

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Least Common Multiple of 78342 and 78347 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 78347, than apply into the LCM equation.

GCF(78342,78347) = 1
LCM(78342,78347) = ( 78342 × 78347) / 1
LCM(78342,78347) = 6137860674 / 1
LCM(78342,78347) = 6137860674

Least Common Multiple (LCM) of 78342 and 78347 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78342 and 78347. First we will calculate the prime factors of 78342 and 78347.

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 78347

Prime factors of 78347 are 78347. Prime factorization of 78347 in exponential form is:

78347 = 783471

Now multiplying the highest exponent prime factors to calculate the LCM of 78342 and 78347.

LCM(78342,78347) = 21 × 31 × 111 × 11871 × 783471
LCM(78342,78347) = 6137860674