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What is the Least Common Multiple of 78104 and 78109?

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 78104 and 78109 is 6100625336.

LCM(78104,78109) = 6100625336

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Least Common Multiple of 78104 and 78109 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78104 and 78109, than apply into the LCM equation.

GCF(78104,78109) = 1
LCM(78104,78109) = ( 78104 × 78109) / 1
LCM(78104,78109) = 6100625336 / 1
LCM(78104,78109) = 6100625336

Least Common Multiple (LCM) of 78104 and 78109 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78104 and 78109. First we will calculate the prime factors of 78104 and 78109.

Prime Factorization of 78104

Prime factors of 78104 are 2, 13, 751. Prime factorization of 78104 in exponential form is:

78104 = 23 × 131 × 7511

Prime Factorization of 78109

Prime factors of 78109 are 19, 4111. Prime factorization of 78109 in exponential form is:

78109 = 191 × 41111

Now multiplying the highest exponent prime factors to calculate the LCM of 78104 and 78109.

LCM(78104,78109) = 23 × 131 × 7511 × 191 × 41111
LCM(78104,78109) = 6100625336