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What is the Least Common Multiple of 91664 and 91672?

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 91664 and 91672 is 1050377776.

LCM(91664,91672) = 1050377776

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Least Common Multiple of 91664 and 91672 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91664 and 91672, than apply into the LCM equation.

GCF(91664,91672) = 8
LCM(91664,91672) = ( 91664 × 91672) / 8
LCM(91664,91672) = 8403022208 / 8
LCM(91664,91672) = 1050377776

Least Common Multiple (LCM) of 91664 and 91672 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91664 and 91672. First we will calculate the prime factors of 91664 and 91672.

Prime Factorization of 91664

Prime factors of 91664 are 2, 17, 337. Prime factorization of 91664 in exponential form is:

91664 = 24 × 171 × 3371

Prime Factorization of 91672

Prime factors of 91672 are 2, 7, 1637. Prime factorization of 91672 in exponential form is:

91672 = 23 × 71 × 16371

Now multiplying the highest exponent prime factors to calculate the LCM of 91664 and 91672.

LCM(91664,91672) = 24 × 171 × 3371 × 71 × 16371
LCM(91664,91672) = 1050377776