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What is the Least Common Multiple of 66859 and 66870?

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 66859 and 66870 is 4470861330.

LCM(66859,66870) = 4470861330

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Least Common Multiple of 66859 and 66870 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66859 and 66870, than apply into the LCM equation.

GCF(66859,66870) = 1
LCM(66859,66870) = ( 66859 × 66870) / 1
LCM(66859,66870) = 4470861330 / 1
LCM(66859,66870) = 4470861330

Least Common Multiple (LCM) of 66859 and 66870 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66859 and 66870. First we will calculate the prime factors of 66859 and 66870.

Prime Factorization of 66859

Prime factors of 66859 are 13, 37, 139. Prime factorization of 66859 in exponential form is:

66859 = 131 × 371 × 1391

Prime Factorization of 66870

Prime factors of 66870 are 2, 3, 5, 743. Prime factorization of 66870 in exponential form is:

66870 = 21 × 32 × 51 × 7431

Now multiplying the highest exponent prime factors to calculate the LCM of 66859 and 66870.

LCM(66859,66870) = 131 × 371 × 1391 × 21 × 32 × 51 × 7431
LCM(66859,66870) = 4470861330