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What is the Least Common Multiple of 78606 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 78606 and 78622 is 3090080466.

LCM(78606,78622) = 3090080466

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Least Common Multiple of 78606 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 78606 and 78622, than apply into the LCM equation.

GCF(78606,78622) = 2
LCM(78606,78622) = ( 78606 × 78622) / 2
LCM(78606,78622) = 6180160932 / 2
LCM(78606,78622) = 3090080466

Least Common Multiple (LCM) of 78606 and 78622 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78606 and 78622. First we will calculate the prime factors of 78606 and 78622.

Prime Factorization of 78606

Prime factors of 78606 are 2, 3, 11, 397. Prime factorization of 78606 in exponential form is:

78606 = 21 × 32 × 111 × 3971

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 78606 and 78622.

LCM(78606,78622) = 21 × 32 × 111 × 3971 × 191 × 20691
LCM(78606,78622) = 3090080466