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What is the Least Common Multiple of 87988 and 87999?

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 87988 and 87999 is 7742856012.

LCM(87988,87999) = 7742856012

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Least Common Multiple of 87988 and 87999 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87988 and 87999, than apply into the LCM equation.

GCF(87988,87999) = 1
LCM(87988,87999) = ( 87988 × 87999) / 1
LCM(87988,87999) = 7742856012 / 1
LCM(87988,87999) = 7742856012

Least Common Multiple (LCM) of 87988 and 87999 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87988 and 87999. First we will calculate the prime factors of 87988 and 87999.

Prime Factorization of 87988

Prime factors of 87988 are 2, 21997. Prime factorization of 87988 in exponential form is:

87988 = 22 × 219971

Prime Factorization of 87999

Prime factors of 87999 are 3, 29333. Prime factorization of 87999 in exponential form is:

87999 = 31 × 293331

Now multiplying the highest exponent prime factors to calculate the LCM of 87988 and 87999.

LCM(87988,87999) = 22 × 219971 × 31 × 293331
LCM(87988,87999) = 7742856012