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What is the Least Common Multiple of 80000 and 80019?

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 80000 and 80019 is 6401520000.

LCM(80000,80019) = 6401520000

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Least Common Multiple of 80000 and 80019 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80000 and 80019, than apply into the LCM equation.

GCF(80000,80019) = 1
LCM(80000,80019) = ( 80000 × 80019) / 1
LCM(80000,80019) = 6401520000 / 1
LCM(80000,80019) = 6401520000

Least Common Multiple (LCM) of 80000 and 80019 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80000 and 80019. First we will calculate the prime factors of 80000 and 80019.

Prime Factorization of 80000

Prime factors of 80000 are 2, 5. Prime factorization of 80000 in exponential form is:

80000 = 27 × 54

Prime Factorization of 80019

Prime factors of 80019 are 3, 17, 523. Prime factorization of 80019 in exponential form is:

80019 = 32 × 171 × 5231

Now multiplying the highest exponent prime factors to calculate the LCM of 80000 and 80019.

LCM(80000,80019) = 27 × 54 × 32 × 171 × 5231
LCM(80000,80019) = 6401520000