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What is the Least Common Multiple of 66881 and 66898?

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 66881 and 66898 is 4474205138.

LCM(66881,66898) = 4474205138

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Least Common Multiple of 66881 and 66898 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66881 and 66898, than apply into the LCM equation.

GCF(66881,66898) = 1
LCM(66881,66898) = ( 66881 × 66898) / 1
LCM(66881,66898) = 4474205138 / 1
LCM(66881,66898) = 4474205138

Least Common Multiple (LCM) of 66881 and 66898 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66881 and 66898. First we will calculate the prime factors of 66881 and 66898.

Prime Factorization of 66881

Prime factors of 66881 are 47, 1423. Prime factorization of 66881 in exponential form is:

66881 = 471 × 14231

Prime Factorization of 66898

Prime factors of 66898 are 2, 13, 31, 83. Prime factorization of 66898 in exponential form is:

66898 = 21 × 131 × 311 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 66881 and 66898.

LCM(66881,66898) = 471 × 14231 × 21 × 131 × 311 × 831
LCM(66881,66898) = 4474205138