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What is the Least Common Multiple of 78286 and 78305?

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 78286 and 78305 is 6130185230.

LCM(78286,78305) = 6130185230

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Least Common Multiple of 78286 and 78305 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78286 and 78305, than apply into the LCM equation.

GCF(78286,78305) = 1
LCM(78286,78305) = ( 78286 × 78305) / 1
LCM(78286,78305) = 6130185230 / 1
LCM(78286,78305) = 6130185230

Least Common Multiple (LCM) of 78286 and 78305 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78286 and 78305. First we will calculate the prime factors of 78286 and 78305.

Prime Factorization of 78286

Prime factors of 78286 are 2, 13, 3011. Prime factorization of 78286 in exponential form is:

78286 = 21 × 131 × 30111

Prime Factorization of 78305

Prime factors of 78305 are 5, 15661. Prime factorization of 78305 in exponential form is:

78305 = 51 × 156611

Now multiplying the highest exponent prime factors to calculate the LCM of 78286 and 78305.

LCM(78286,78305) = 21 × 131 × 30111 × 51 × 156611
LCM(78286,78305) = 6130185230