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What is the Least Common Multiple of 19795 and 19811?

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 19795 and 19811 is 392158745.

LCM(19795,19811) = 392158745

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Least Common Multiple of 19795 and 19811 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19795 and 19811, than apply into the LCM equation.

GCF(19795,19811) = 1
LCM(19795,19811) = ( 19795 × 19811) / 1
LCM(19795,19811) = 392158745 / 1
LCM(19795,19811) = 392158745

Least Common Multiple (LCM) of 19795 and 19811 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19795 and 19811. First we will calculate the prime factors of 19795 and 19811.

Prime Factorization of 19795

Prime factors of 19795 are 5, 37, 107. Prime factorization of 19795 in exponential form is:

19795 = 51 × 371 × 1071

Prime Factorization of 19811

Prime factors of 19811 are 11, 1801. Prime factorization of 19811 in exponential form is:

19811 = 111 × 18011

Now multiplying the highest exponent prime factors to calculate the LCM of 19795 and 19811.

LCM(19795,19811) = 51 × 371 × 1071 × 111 × 18011
LCM(19795,19811) = 392158745