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What is the Least Common Multiple of 89621 and 89638?

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 89621 and 89638 is 8033447198.

LCM(89621,89638) = 8033447198

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Least Common Multiple of 89621 and 89638 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89621 and 89638, than apply into the LCM equation.

GCF(89621,89638) = 1
LCM(89621,89638) = ( 89621 × 89638) / 1
LCM(89621,89638) = 8033447198 / 1
LCM(89621,89638) = 8033447198

Least Common Multiple (LCM) of 89621 and 89638 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89621 and 89638. First we will calculate the prime factors of 89621 and 89638.

Prime Factorization of 89621

Prime factors of 89621 are 7, 31, 59. Prime factorization of 89621 in exponential form is:

89621 = 72 × 311 × 591

Prime Factorization of 89638

Prime factors of 89638 are 2, 44819. Prime factorization of 89638 in exponential form is:

89638 = 21 × 448191

Now multiplying the highest exponent prime factors to calculate the LCM of 89621 and 89638.

LCM(89621,89638) = 72 × 311 × 591 × 21 × 448191
LCM(89621,89638) = 8033447198