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What is the Least Common Multiple of 69871 and 69891?

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 69871 and 69891 is 4883354061.

LCM(69871,69891) = 4883354061

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Least Common Multiple of 69871 and 69891 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69871 and 69891, than apply into the LCM equation.

GCF(69871,69891) = 1
LCM(69871,69891) = ( 69871 × 69891) / 1
LCM(69871,69891) = 4883354061 / 1
LCM(69871,69891) = 4883354061

Least Common Multiple (LCM) of 69871 and 69891 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69871 and 69891. First we will calculate the prime factors of 69871 and 69891.

Prime Factorization of 69871

Prime factors of 69871 are 107, 653. Prime factorization of 69871 in exponential form is:

69871 = 1071 × 6531

Prime Factorization of 69891

Prime factors of 69891 are 3, 23297. Prime factorization of 69891 in exponential form is:

69891 = 31 × 232971

Now multiplying the highest exponent prime factors to calculate the LCM of 69871 and 69891.

LCM(69871,69891) = 1071 × 6531 × 31 × 232971
LCM(69871,69891) = 4883354061