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What is the Least Common Multiple of 47984 and 47988?

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 47984 and 47988 is 575664048.

LCM(47984,47988) = 575664048

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Least Common Multiple of 47984 and 47988 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47984 and 47988, than apply into the LCM equation.

GCF(47984,47988) = 4
LCM(47984,47988) = ( 47984 × 47988) / 4
LCM(47984,47988) = 2302656192 / 4
LCM(47984,47988) = 575664048

Least Common Multiple (LCM) of 47984 and 47988 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47984 and 47988. First we will calculate the prime factors of 47984 and 47988.

Prime Factorization of 47984

Prime factors of 47984 are 2, 2999. Prime factorization of 47984 in exponential form is:

47984 = 24 × 29991

Prime Factorization of 47988

Prime factors of 47988 are 2, 3, 31, 43. Prime factorization of 47988 in exponential form is:

47988 = 22 × 32 × 311 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 47984 and 47988.

LCM(47984,47988) = 24 × 29991 × 32 × 311 × 431
LCM(47984,47988) = 575664048