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What is the Least Common Multiple of 91683 and 91691?

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 91683 and 91691 is 8406505953.

LCM(91683,91691) = 8406505953

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Least Common Multiple of 91683 and 91691 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91683 and 91691, than apply into the LCM equation.

GCF(91683,91691) = 1
LCM(91683,91691) = ( 91683 × 91691) / 1
LCM(91683,91691) = 8406505953 / 1
LCM(91683,91691) = 8406505953

Least Common Multiple (LCM) of 91683 and 91691 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91683 and 91691. First we will calculate the prime factors of 91683 and 91691.

Prime Factorization of 91683

Prime factors of 91683 are 3, 61, 167. Prime factorization of 91683 in exponential form is:

91683 = 32 × 611 × 1671

Prime Factorization of 91691

Prime factors of 91691 are 91691. Prime factorization of 91691 in exponential form is:

91691 = 916911

Now multiplying the highest exponent prime factors to calculate the LCM of 91683 and 91691.

LCM(91683,91691) = 32 × 611 × 1671 × 916911
LCM(91683,91691) = 8406505953