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What is the Least Common Multiple of 78966 and 78984?

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 78966 and 78984 is 346502808.

LCM(78966,78984) = 346502808

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Least Common Multiple of 78966 and 78984 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78966 and 78984, than apply into the LCM equation.

GCF(78966,78984) = 18
LCM(78966,78984) = ( 78966 × 78984) / 18
LCM(78966,78984) = 6237050544 / 18
LCM(78966,78984) = 346502808

Least Common Multiple (LCM) of 78966 and 78984 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78966 and 78984. First we will calculate the prime factors of 78966 and 78984.

Prime Factorization of 78966

Prime factors of 78966 are 2, 3, 41, 107. Prime factorization of 78966 in exponential form is:

78966 = 21 × 32 × 411 × 1071

Prime Factorization of 78984

Prime factors of 78984 are 2, 3, 1097. Prime factorization of 78984 in exponential form is:

78984 = 23 × 32 × 10971

Now multiplying the highest exponent prime factors to calculate the LCM of 78966 and 78984.

LCM(78966,78984) = 23 × 32 × 411 × 1071 × 10971
LCM(78966,78984) = 346502808