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What is the Least Common Multiple of 12785 and 12795?

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 12785 and 12795 is 32716815.

LCM(12785,12795) = 32716815

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Least Common Multiple of 12785 and 12795 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12785 and 12795, than apply into the LCM equation.

GCF(12785,12795) = 5
LCM(12785,12795) = ( 12785 × 12795) / 5
LCM(12785,12795) = 163584075 / 5
LCM(12785,12795) = 32716815

Least Common Multiple (LCM) of 12785 and 12795 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12785 and 12795. First we will calculate the prime factors of 12785 and 12795.

Prime Factorization of 12785

Prime factors of 12785 are 5, 2557. Prime factorization of 12785 in exponential form is:

12785 = 51 × 25571

Prime Factorization of 12795

Prime factors of 12795 are 3, 5, 853. Prime factorization of 12795 in exponential form is:

12795 = 31 × 51 × 8531

Now multiplying the highest exponent prime factors to calculate the LCM of 12785 and 12795.

LCM(12785,12795) = 51 × 25571 × 31 × 8531
LCM(12785,12795) = 32716815