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What is the Least Common Multiple of 78615 and 78622?

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 78615 and 78622 is 6180868530.

LCM(78615,78622) = 6180868530

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Least Common Multiple of 78615 and 78622 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78615 and 78622, than apply into the LCM equation.

GCF(78615,78622) = 1
LCM(78615,78622) = ( 78615 × 78622) / 1
LCM(78615,78622) = 6180868530 / 1
LCM(78615,78622) = 6180868530

Least Common Multiple (LCM) of 78615 and 78622 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78615 and 78622. First we will calculate the prime factors of 78615 and 78622.

Prime Factorization of 78615

Prime factors of 78615 are 3, 5, 1747. Prime factorization of 78615 in exponential form is:

78615 = 32 × 51 × 17471

Prime Factorization of 78622

Prime factors of 78622 are 2, 19, 2069. Prime factorization of 78622 in exponential form is:

78622 = 21 × 191 × 20691

Now multiplying the highest exponent prime factors to calculate the LCM of 78615 and 78622.

LCM(78615,78622) = 32 × 51 × 17471 × 21 × 191 × 20691
LCM(78615,78622) = 6180868530