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What is the Least Common Multiple of 91791 and 91811?

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 91791 and 91811 is 8427423501.

LCM(91791,91811) = 8427423501

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Least Common Multiple of 91791 and 91811 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91791 and 91811, than apply into the LCM equation.

GCF(91791,91811) = 1
LCM(91791,91811) = ( 91791 × 91811) / 1
LCM(91791,91811) = 8427423501 / 1
LCM(91791,91811) = 8427423501

Least Common Multiple (LCM) of 91791 and 91811 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91791 and 91811. First we will calculate the prime factors of 91791 and 91811.

Prime Factorization of 91791

Prime factors of 91791 are 3, 7, 31, 47. Prime factorization of 91791 in exponential form is:

91791 = 32 × 71 × 311 × 471

Prime Factorization of 91811

Prime factors of 91811 are 91811. Prime factorization of 91811 in exponential form is:

91811 = 918111

Now multiplying the highest exponent prime factors to calculate the LCM of 91791 and 91811.

LCM(91791,91811) = 32 × 71 × 311 × 471 × 918111
LCM(91791,91811) = 8427423501