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What is the Least Common Multiple of 69309 and 69321?

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 69309 and 69321 is 1601523063.

LCM(69309,69321) = 1601523063

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Least Common Multiple of 69309 and 69321 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69309 and 69321, than apply into the LCM equation.

GCF(69309,69321) = 3
LCM(69309,69321) = ( 69309 × 69321) / 3
LCM(69309,69321) = 4804569189 / 3
LCM(69309,69321) = 1601523063

Least Common Multiple (LCM) of 69309 and 69321 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69309 and 69321. First we will calculate the prime factors of 69309 and 69321.

Prime Factorization of 69309

Prime factors of 69309 are 3, 17, 151. Prime factorization of 69309 in exponential form is:

69309 = 33 × 171 × 1511

Prime Factorization of 69321

Prime factors of 69321 are 3, 7, 3301. Prime factorization of 69321 in exponential form is:

69321 = 31 × 71 × 33011

Now multiplying the highest exponent prime factors to calculate the LCM of 69309 and 69321.

LCM(69309,69321) = 33 × 171 × 1511 × 71 × 33011
LCM(69309,69321) = 1601523063