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What is the Least Common Multiple of 69387 and 69405?

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 69387 and 69405 is 1605268245.

LCM(69387,69405) = 1605268245

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Least Common Multiple of 69387 and 69405 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69387 and 69405, than apply into the LCM equation.

GCF(69387,69405) = 3
LCM(69387,69405) = ( 69387 × 69405) / 3
LCM(69387,69405) = 4815804735 / 3
LCM(69387,69405) = 1605268245

Least Common Multiple (LCM) of 69387 and 69405 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69387 and 69405. First we will calculate the prime factors of 69387 and 69405.

Prime Factorization of 69387

Prime factors of 69387 are 3, 101, 229. Prime factorization of 69387 in exponential form is:

69387 = 31 × 1011 × 2291

Prime Factorization of 69405

Prime factors of 69405 are 3, 5, 7, 661. Prime factorization of 69405 in exponential form is:

69405 = 31 × 51 × 71 × 6611

Now multiplying the highest exponent prime factors to calculate the LCM of 69387 and 69405.

LCM(69387,69405) = 31 × 1011 × 2291 × 51 × 71 × 6611
LCM(69387,69405) = 1605268245