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What is the Least Common Multiple of 69783 and 69788?

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 69783 and 69788 is 4870016004.

LCM(69783,69788) = 4870016004

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Least Common Multiple of 69783 and 69788 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69783 and 69788, than apply into the LCM equation.

GCF(69783,69788) = 1
LCM(69783,69788) = ( 69783 × 69788) / 1
LCM(69783,69788) = 4870016004 / 1
LCM(69783,69788) = 4870016004

Least Common Multiple (LCM) of 69783 and 69788 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69783 and 69788. First we will calculate the prime factors of 69783 and 69788.

Prime Factorization of 69783

Prime factors of 69783 are 3, 7, 3323. Prime factorization of 69783 in exponential form is:

69783 = 31 × 71 × 33231

Prime Factorization of 69788

Prime factors of 69788 are 2, 73, 239. Prime factorization of 69788 in exponential form is:

69788 = 22 × 731 × 2391

Now multiplying the highest exponent prime factors to calculate the LCM of 69783 and 69788.

LCM(69783,69788) = 31 × 71 × 33231 × 22 × 731 × 2391
LCM(69783,69788) = 4870016004