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What is the Least Common Multiple of 85769 and 85788?

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 85769 and 85788 is 7357950972.

LCM(85769,85788) = 7357950972

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Least Common Multiple of 85769 and 85788 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85769 and 85788, than apply into the LCM equation.

GCF(85769,85788) = 1
LCM(85769,85788) = ( 85769 × 85788) / 1
LCM(85769,85788) = 7357950972 / 1
LCM(85769,85788) = 7357950972

Least Common Multiple (LCM) of 85769 and 85788 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85769 and 85788. First we will calculate the prime factors of 85769 and 85788.

Prime Factorization of 85769

Prime factors of 85769 are 199, 431. Prime factorization of 85769 in exponential form is:

85769 = 1991 × 4311

Prime Factorization of 85788

Prime factors of 85788 are 2, 3, 2383. Prime factorization of 85788 in exponential form is:

85788 = 22 × 32 × 23831

Now multiplying the highest exponent prime factors to calculate the LCM of 85769 and 85788.

LCM(85769,85788) = 1991 × 4311 × 22 × 32 × 23831
LCM(85769,85788) = 7357950972