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What is the Least Common Multiple of 78871 and 78891?

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 78871 and 78891 is 6222212061.

LCM(78871,78891) = 6222212061

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Least Common Multiple of 78871 and 78891 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78871 and 78891, than apply into the LCM equation.

GCF(78871,78891) = 1
LCM(78871,78891) = ( 78871 × 78891) / 1
LCM(78871,78891) = 6222212061 / 1
LCM(78871,78891) = 6222212061

Least Common Multiple (LCM) of 78871 and 78891 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78871 and 78891. First we will calculate the prime factors of 78871 and 78891.

Prime Factorization of 78871

Prime factors of 78871 are 13, 6067. Prime factorization of 78871 in exponential form is:

78871 = 131 × 60671

Prime Factorization of 78891

Prime factors of 78891 are 3, 26297. Prime factorization of 78891 in exponential form is:

78891 = 31 × 262971

Now multiplying the highest exponent prime factors to calculate the LCM of 78871 and 78891.

LCM(78871,78891) = 131 × 60671 × 31 × 262971
LCM(78871,78891) = 6222212061