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What is the Least Common Multiple of 91672 and 91688?

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 91672 and 91688 is 1050652792.

LCM(91672,91688) = 1050652792

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Least Common Multiple of 91672 and 91688 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91672 and 91688, than apply into the LCM equation.

GCF(91672,91688) = 8
LCM(91672,91688) = ( 91672 × 91688) / 8
LCM(91672,91688) = 8405222336 / 8
LCM(91672,91688) = 1050652792

Least Common Multiple (LCM) of 91672 and 91688 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91672 and 91688. First we will calculate the prime factors of 91672 and 91688.

Prime Factorization of 91672

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

91672 = 23 × 71 × 16371

Prime Factorization of 91688

Prime factors of 91688 are 2, 73, 157. Prime factorization of 91688 in exponential form is:

91688 = 23 × 731 × 1571

Now multiplying the highest exponent prime factors to calculate the LCM of 91672 and 91688.

LCM(91672,91688) = 23 × 71 × 16371 × 731 × 1571
LCM(91672,91688) = 1050652792