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What is the Least Common Multiple of 66864 and 66869?

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 66864 and 66869 is 4471128816.

LCM(66864,66869) = 4471128816

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Least Common Multiple of 66864 and 66869 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66864 and 66869, than apply into the LCM equation.

GCF(66864,66869) = 1
LCM(66864,66869) = ( 66864 × 66869) / 1
LCM(66864,66869) = 4471128816 / 1
LCM(66864,66869) = 4471128816

Least Common Multiple (LCM) of 66864 and 66869 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66864 and 66869. First we will calculate the prime factors of 66864 and 66869.

Prime Factorization of 66864

Prime factors of 66864 are 2, 3, 7, 199. Prime factorization of 66864 in exponential form is:

66864 = 24 × 31 × 71 × 1991

Prime Factorization of 66869

Prime factors of 66869 are 11, 6079. Prime factorization of 66869 in exponential form is:

66869 = 111 × 60791

Now multiplying the highest exponent prime factors to calculate the LCM of 66864 and 66869.

LCM(66864,66869) = 24 × 31 × 71 × 1991 × 111 × 60791
LCM(66864,66869) = 4471128816