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What is the Least Common Multiple of 78605 and 78614?

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 78605 and 78614 is 6179453470.

LCM(78605,78614) = 6179453470

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Least Common Multiple of 78605 and 78614 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78605 and 78614, than apply into the LCM equation.

GCF(78605,78614) = 1
LCM(78605,78614) = ( 78605 × 78614) / 1
LCM(78605,78614) = 6179453470 / 1
LCM(78605,78614) = 6179453470

Least Common Multiple (LCM) of 78605 and 78614 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78605 and 78614. First we will calculate the prime factors of 78605 and 78614.

Prime Factorization of 78605

Prime factors of 78605 are 5, 79, 199. Prime factorization of 78605 in exponential form is:

78605 = 51 × 791 × 1991

Prime Factorization of 78614

Prime factors of 78614 are 2, 23, 1709. Prime factorization of 78614 in exponential form is:

78614 = 21 × 231 × 17091

Now multiplying the highest exponent prime factors to calculate the LCM of 78605 and 78614.

LCM(78605,78614) = 51 × 791 × 1991 × 21 × 231 × 17091
LCM(78605,78614) = 6179453470