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What is the Least Common Multiple of 69009 and 69018?

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 69009 and 69018 is 1587621054.

LCM(69009,69018) = 1587621054

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Least Common Multiple of 69009 and 69018 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69009 and 69018, than apply into the LCM equation.

GCF(69009,69018) = 3
LCM(69009,69018) = ( 69009 × 69018) / 3
LCM(69009,69018) = 4762863162 / 3
LCM(69009,69018) = 1587621054

Least Common Multiple (LCM) of 69009 and 69018 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69009 and 69018. First we will calculate the prime factors of 69009 and 69018.

Prime Factorization of 69009

Prime factors of 69009 are 3, 23003. Prime factorization of 69009 in exponential form is:

69009 = 31 × 230031

Prime Factorization of 69018

Prime factors of 69018 are 2, 3, 11503. Prime factorization of 69018 in exponential form is:

69018 = 21 × 31 × 115031

Now multiplying the highest exponent prime factors to calculate the LCM of 69009 and 69018.

LCM(69009,69018) = 31 × 230031 × 21 × 115031
LCM(69009,69018) = 1587621054