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What is the Least Common Multiple of 91628 and 91644?

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 91628 and 91644 is 2099289108.

LCM(91628,91644) = 2099289108

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Least Common Multiple of 91628 and 91644 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91628 and 91644, than apply into the LCM equation.

GCF(91628,91644) = 4
LCM(91628,91644) = ( 91628 × 91644) / 4
LCM(91628,91644) = 8397156432 / 4
LCM(91628,91644) = 2099289108

Least Common Multiple (LCM) of 91628 and 91644 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91628 and 91644. First we will calculate the prime factors of 91628 and 91644.

Prime Factorization of 91628

Prime factors of 91628 are 2, 22907. Prime factorization of 91628 in exponential form is:

91628 = 22 × 229071

Prime Factorization of 91644

Prime factors of 91644 are 2, 3, 7, 1091. Prime factorization of 91644 in exponential form is:

91644 = 22 × 31 × 71 × 10911

Now multiplying the highest exponent prime factors to calculate the LCM of 91628 and 91644.

LCM(91628,91644) = 22 × 229071 × 31 × 71 × 10911
LCM(91628,91644) = 2099289108