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What is the Least Common Multiple of 78874 and 78889?

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 78874 and 78889 is 6222290986.

LCM(78874,78889) = 6222290986

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Least Common Multiple of 78874 and 78889 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78874 and 78889, than apply into the LCM equation.

GCF(78874,78889) = 1
LCM(78874,78889) = ( 78874 × 78889) / 1
LCM(78874,78889) = 6222290986 / 1
LCM(78874,78889) = 6222290986

Least Common Multiple (LCM) of 78874 and 78889 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78874 and 78889. First we will calculate the prime factors of 78874 and 78889.

Prime Factorization of 78874

Prime factors of 78874 are 2, 113, 349. Prime factorization of 78874 in exponential form is:

78874 = 21 × 1131 × 3491

Prime Factorization of 78889

Prime factors of 78889 are 78889. Prime factorization of 78889 in exponential form is:

78889 = 788891

Now multiplying the highest exponent prime factors to calculate the LCM of 78874 and 78889.

LCM(78874,78889) = 21 × 1131 × 3491 × 788891
LCM(78874,78889) = 6222290986