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What is the Least Common Multiple of 69531 and 69549?

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 69531 and 69549 is 1611937173.

LCM(69531,69549) = 1611937173

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Least Common Multiple of 69531 and 69549 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69531 and 69549, than apply into the LCM equation.

GCF(69531,69549) = 3
LCM(69531,69549) = ( 69531 × 69549) / 3
LCM(69531,69549) = 4835811519 / 3
LCM(69531,69549) = 1611937173

Least Common Multiple (LCM) of 69531 and 69549 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69531 and 69549. First we will calculate the prime factors of 69531 and 69549.

Prime Factorization of 69531

Prime factors of 69531 are 3, 7, 11, 43. Prime factorization of 69531 in exponential form is:

69531 = 31 × 72 × 111 × 431

Prime Factorization of 69549

Prime factors of 69549 are 3, 97, 239. Prime factorization of 69549 in exponential form is:

69549 = 31 × 971 × 2391

Now multiplying the highest exponent prime factors to calculate the LCM of 69531 and 69549.

LCM(69531,69549) = 31 × 72 × 111 × 431 × 971 × 2391
LCM(69531,69549) = 1611937173