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What is the Least Common Multiple of 91171 and 91191?

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 91171 and 91191 is 8313974661.

LCM(91171,91191) = 8313974661

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Least Common Multiple of 91171 and 91191 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91171 and 91191, than apply into the LCM equation.

GCF(91171,91191) = 1
LCM(91171,91191) = ( 91171 × 91191) / 1
LCM(91171,91191) = 8313974661 / 1
LCM(91171,91191) = 8313974661

Least Common Multiple (LCM) of 91171 and 91191 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91171 and 91191. First we will calculate the prime factors of 91171 and 91191.

Prime Factorization of 91171

Prime factors of 91171 are 17, 31, 173. Prime factorization of 91171 in exponential form is:

91171 = 171 × 311 × 1731

Prime Factorization of 91191

Prime factors of 91191 are 3, 113, 269. Prime factorization of 91191 in exponential form is:

91191 = 31 × 1131 × 2691

Now multiplying the highest exponent prime factors to calculate the LCM of 91171 and 91191.

LCM(91171,91191) = 171 × 311 × 1731 × 31 × 1131 × 2691
LCM(91171,91191) = 8313974661