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What is the Least Common Multiple of 76984 and 76992?

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 76984 and 76992 is 740894016.

LCM(76984,76992) = 740894016

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Least Common Multiple of 76984 and 76992 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76984 and 76992, than apply into the LCM equation.

GCF(76984,76992) = 8
LCM(76984,76992) = ( 76984 × 76992) / 8
LCM(76984,76992) = 5927152128 / 8
LCM(76984,76992) = 740894016

Least Common Multiple (LCM) of 76984 and 76992 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76984 and 76992. First we will calculate the prime factors of 76984 and 76992.

Prime Factorization of 76984

Prime factors of 76984 are 2, 9623. Prime factorization of 76984 in exponential form is:

76984 = 23 × 96231

Prime Factorization of 76992

Prime factors of 76992 are 2, 3, 401. Prime factorization of 76992 in exponential form is:

76992 = 26 × 31 × 4011

Now multiplying the highest exponent prime factors to calculate the LCM of 76984 and 76992.

LCM(76984,76992) = 26 × 96231 × 31 × 4011
LCM(76984,76992) = 740894016