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What is the Least Common Multiple of 91868 and 91887?

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 91868 and 91887 is 8441474916.

LCM(91868,91887) = 8441474916

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Least Common Multiple of 91868 and 91887 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91868 and 91887, than apply into the LCM equation.

GCF(91868,91887) = 1
LCM(91868,91887) = ( 91868 × 91887) / 1
LCM(91868,91887) = 8441474916 / 1
LCM(91868,91887) = 8441474916

Least Common Multiple (LCM) of 91868 and 91887 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91868 and 91887. First we will calculate the prime factors of 91868 and 91887.

Prime Factorization of 91868

Prime factors of 91868 are 2, 7, 17, 193. Prime factorization of 91868 in exponential form is:

91868 = 22 × 71 × 171 × 1931

Prime Factorization of 91887

Prime factors of 91887 are 3, 109, 281. Prime factorization of 91887 in exponential form is:

91887 = 31 × 1091 × 2811

Now multiplying the highest exponent prime factors to calculate the LCM of 91868 and 91887.

LCM(91868,91887) = 22 × 71 × 171 × 1931 × 31 × 1091 × 2811
LCM(91868,91887) = 8441474916