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What is the Least Common Multiple of 78891 and 78902?

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 78891 and 78902 is 6224657682.

LCM(78891,78902) = 6224657682

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Least Common Multiple of 78891 and 78902 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78891 and 78902, than apply into the LCM equation.

GCF(78891,78902) = 1
LCM(78891,78902) = ( 78891 × 78902) / 1
LCM(78891,78902) = 6224657682 / 1
LCM(78891,78902) = 6224657682

Least Common Multiple (LCM) of 78891 and 78902 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78891 and 78902. First we will calculate the prime factors of 78891 and 78902.

Prime Factorization of 78891

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

78891 = 31 × 262971

Prime Factorization of 78902

Prime factors of 78902 are 2, 39451. Prime factorization of 78902 in exponential form is:

78902 = 21 × 394511

Now multiplying the highest exponent prime factors to calculate the LCM of 78891 and 78902.

LCM(78891,78902) = 31 × 262971 × 21 × 394511
LCM(78891,78902) = 6224657682