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What is the Least Common Multiple of 78146 and 78162?

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 78146 and 78162 is 3054023826.

LCM(78146,78162) = 3054023826

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Least Common Multiple of 78146 and 78162 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78146 and 78162, than apply into the LCM equation.

GCF(78146,78162) = 2
LCM(78146,78162) = ( 78146 × 78162) / 2
LCM(78146,78162) = 6108047652 / 2
LCM(78146,78162) = 3054023826

Least Common Multiple (LCM) of 78146 and 78162 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78146 and 78162. First we will calculate the prime factors of 78146 and 78162.

Prime Factorization of 78146

Prime factors of 78146 are 2, 41, 953. Prime factorization of 78146 in exponential form is:

78146 = 21 × 411 × 9531

Prime Factorization of 78162

Prime factors of 78162 are 2, 3, 7, 1861. Prime factorization of 78162 in exponential form is:

78162 = 21 × 31 × 71 × 18611

Now multiplying the highest exponent prime factors to calculate the LCM of 78146 and 78162.

LCM(78146,78162) = 21 × 411 × 9531 × 31 × 71 × 18611
LCM(78146,78162) = 3054023826