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What is the Least Common Multiple of 79989 and 80004?

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 79989 and 80004 is 2133146652.

LCM(79989,80004) = 2133146652

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Least Common Multiple of 79989 and 80004 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79989 and 80004, than apply into the LCM equation.

GCF(79989,80004) = 3
LCM(79989,80004) = ( 79989 × 80004) / 3
LCM(79989,80004) = 6399439956 / 3
LCM(79989,80004) = 2133146652

Least Common Multiple (LCM) of 79989 and 80004 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79989 and 80004. First we will calculate the prime factors of 79989 and 80004.

Prime Factorization of 79989

Prime factors of 79989 are 3, 7, 13, 293. Prime factorization of 79989 in exponential form is:

79989 = 31 × 71 × 131 × 2931

Prime Factorization of 80004

Prime factors of 80004 are 2, 3, 59, 113. Prime factorization of 80004 in exponential form is:

80004 = 22 × 31 × 591 × 1131

Now multiplying the highest exponent prime factors to calculate the LCM of 79989 and 80004.

LCM(79989,80004) = 31 × 71 × 131 × 2931 × 22 × 591 × 1131
LCM(79989,80004) = 2133146652